John P. Sewell

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Aurora, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for establishing a perimeter defining an area...
- Patent number 6,112,143
- Issue date Aug 29, 2000
- Caterpillar Inc.
- William E. Allen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Guarding mechanism for a wheel and axle assembly
- Patent number 6,076,843
- Issue date Jun 20, 2000
- Caterpillar Inc.
- John P. Sewell
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Guard and cleaner assembly for a wheel
- Patent number 5,967,630
- Issue date Oct 19, 1999
- Caterpillar Inc.
- John P. Sewell
- B60 - VEHICLES IN GENERAL