Robert R. Farris

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Peoria, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Endless track work vehicle
- Patent number D314388
- Issue date Feb 5, 1991
- Caterpillar Inc.
- Thomas D. Brewer
- D15 - Machines not elsewhere specified
Information Patent Grant
Suspension mechanism for a track-type vehicle
- Patent number 4,881,609
- Issue date Nov 21, 1989
- Caterpillar Inc.
- Robert J. Purcell
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Suspension system for a vehicle
- Patent number 4,874,052
- Issue date Oct 17, 1989
- Caterpillar Inc.
- Robert J. Purcell
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Multiple mode vehicle suspension system
- Patent number 4,819,754
- Issue date Apr 11, 1989
- Caterpillar Inc.
- Robert J. Purcell
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Suspension mechanism for a track-type vehicle
- Patent number 4,817,746
- Issue date Apr 4, 1989
- Caterpillar Inc.
- Robert J. Purcell
- B60 - VEHICLES IN GENERAL