Richard D. Walker

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Decatur, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Articulated truck for carrying a load through a plurality of work c...
- Patent number 6,631,773
- Issue date Oct 14, 2003
- Caterpillar S.A.R.L.
- Richard D. Walker
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Apparatus for diverting a flow of exhaust from an engine of a truck
- Patent number 5,797,656
- Issue date Aug 25, 1998
- Caterpillar Inc.
- Zachary A. Kauk
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Exhaust directing valve mechanism for a vehicle
- Patent number 5,379,801
- Issue date Jan 10, 1995
- Caterpillar Inc.
- James W. Reinhart
- B60 - VEHICLES IN GENERAL