Curriculum Vitae



Expert Forensic Investigation and Analysis:

Automobiles, Motorcycles, Trucks and Trailers

  • Brakes
  • Steering
  • Suspension
  • Seats & Seatbelts
  • Exhaust Emission Controls
  • Electronic Engine Controls
  • Fuel Injection
  • Fires
  • Axles & Wheels
  • Transmissions & Shift Controls
  • Throttle Controls & Unintended Acceleration
Medical and Hospital Equipment
  • Beds & Cribs
  • Incubators
  • Warmers
  • Lamps
  • Surgical Devices
  • Oxygen Therapy Equipment
  • Gas Pipeline & Vacuum/Suction Equipment
  • Dental equipment
Mechanical and Electrical Products 
  • Power Tools
  • Presses and controls
  • Lawn & Garden Power Equipment
  • Exercise Equipment
  • Sporting and hunting equipment
  • Toys & amusements
  • Tanning beds
  • Gas logs, burners, barbeques

Safety Engineering

  • Slips, trips and falls
  • Sidewalks and Parking lots
  • Stairways, handrails, ramps
  • Ice and snow removal
  • Workplace safety
  • Electrical safety
  • Noise
  • Environmental Contamination

Examples of products and cases we have worked on: 

Tools & equipment - pneumatic and electric wrenches and drills, nail guns, impact tools, saws, grinders, leaf blowers, lawn & garden power equipment, barbeques, snow blowers, snap-off knives, gas station equipment, hydraulic jacks & lifts 

Ladders - swivel foot failure, stability, collapse, aluminum, fiberglass, wood, fire escapes

Construction/Industrial safety - lifting & rigging accidents, falls from elevation, machine guarding, power presses, aerial lifts, conveyers, safety shoes, material handling equipment, boilers, paving, firefighting equipment

Lawnmowers/utility vehicles - stability, discharge of debris, safety controls, amputations, lawn tractor safety, fires, golf carts, 3-wheeled vehicles 

Slip, trip & fall - lighting, stairways, elevators, escalators, slip resistance, ramps, railings, bathtubs & bathing grab-bars, building codes, property maintenance, ice & snow removal, train & bus steps, floor mats & carpets

Sporting/fitness equipment - tree stands, pitching machines, steppers, cables & pulleys, bowling alley machinery, basketball equipment, football helmets, video games

Doors, glass and glazing injuries - doors, door closers, power-operated doors, skylights, missing windows, lighting fixtures and bulbs, glass shop equipment, storm windows, glass jars & mugs, headlights

Recreational vehicles - jet-skis, go-karts, ATV's, motorcycles, trailers, travel trailers, boats, docks, boat lifts, electric carts & scooters

Beds and cribs - collapse, entrapment and suffocation

X-ray machines - mechanical defects, photographic chemical hazards 

Health/beauty products - tanning beds, heated comb, steam vaporizers, heated chair 

Firearms - misfires, safety issues, pepper spray

Appliances - electrocution, safety interlock failure, fires, burns, injuries

Battery operated products - chemical burns from battery failure 

Product quality - inspection and sampling plans, competitive analysis

Vehicle rollover - overloaded trucks, defective trailers, suspension defects, SUVs, occupant ejection

Brake failures - negligent repair, contaminated brake fluid, ABS brake failures 

Heavy trucks - air brake maintenance and inspection, driveshaft separation

Wheel separations - axle fractures, improperly tightened lug nuts, broken studs, defective wheels 

Tires - tire/rim explosions, wheel separations, tread separation

Axle failures - axle bearing failures, axle separations, broken axles 

Vehicle fires - catalytic converters, fuel leaks, oil leaks, power steering leaks, electrical, ignition switch fires, defective trailer brake, arson, heater plenum fires, fuel tank, service issues

Fuel injection & exhaust emission controls - performance problems and fires 

Steering failures - loss of power, locked power steering, tie rod separation

Seat belts & air bags - retractor failure, buckle failure, automatic belt failure, air bag failure to deploy, air bag inadvertent deployment, air bag injuries, design defects 

Sudden acceleration - throttle cables & springs, cruise control cable issues, pedal location/interference, driver error 

Breach of warranty - lemon law cases, undisclosed damage 

Odometers - tampering, accuracy

Transmissions - linkages and controls, frequent failures, park-to-reverse, failure to hold in park

Seats - seatback collapse, seat track failures, headrest failures 

Doors and tailgates - unintentional opening, occupant ejection in accident 

Cooling system - heater core ruptures, radiator cap failures, coolant valve failure 

Jacks - collapses and failures 

Service and engine-related problems - oil contamination & testing, bearings, wheels, axles, suspension failures 

Traffic signals - accident analysis/right-of-way 

Roadway and paving defects

Carbon monoxide poisoning - forklifts, exhaust systems, furnaces, stoves, gas logs

Vehicle fires - Autos, trucks, boats, tractors, jet-skis, lawnmowers

Chair injuries - collapse, severe cuts, instability 

Wheelchairs and wheelchair lifts - stability, electrical controls, material failures

Playground equipment - swings, slides, merry-go-round, design, safety equipment 

Warnings and cautions - design, adequacy, conspicuousness 

Medical product design - infant care, suction & oxygen, medical gas delivery, surgical instruments, surgical blankets, pacemakers, guidewires, hospital beds & equipment

Patent infringement - mechanical & electrical products 


2019 Leshner & Associates, Inc.