Jeffery D. Campbell

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Fresno, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Four wheel drive motorized carrier
- Patent number 6,776,248
- Issue date Aug 17, 2004
- Jeffery D. Campbell
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Offroad tracked vehicle for snow and ice
- Patent number 6,742,612
- Issue date Jun 1, 2004
- Jeffery D. Campbell
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Tracked motorized carrier with accessory attachment drive
- Patent number 6,409,273
- Issue date Jun 25, 2002
- Jeffery D. Campbell
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Electric handcart
- Patent number 6,062,328
- Issue date May 16, 2000
- Jeffery D. Campbell
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Motorized auger
- Patent number 6,056,065
- Issue date May 2, 2000
- Power Technology Unlimited, Inc.
- Jeffery D. Campbell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wheeled motorized mixer
- Patent number 5,868,494
- Issue date Feb 9, 1999
- Power Technology Unlimited, In.
- Jeffery D. Campbell
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Electrically conductive chair support with sliding bushing
- Patent number 4,964,015
- Issue date Oct 16, 1990
- Zero Corporation
- Richard L. Crooker
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Wheelbarrow
- Publication number 20040164509
- Publication date Aug 26, 2004
- Jeffery D. Campbell
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Offroad tracked vehicle for snow and ice
- Publication number 20030209372
- Publication date Nov 13, 2003
- Jeffery D. Campbell
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
Four wheel drive motorized carrier
- Publication number 20030079922
- Publication date May 1, 2003
- Jeffery D. Campbell
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS