Robert W. Harper

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Metamora, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable double link mounting
- Patent number 4,279,348
- Issue date Jul 21, 1981
- Caterpillar Tractor Co.
- Robert W. Harper
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Vehicle having portable power means for brake control
- Patent number 4,123,906
- Issue date Nov 7, 1978
- Caterpillar Tractor Co.
- Virgil R. C. Durgan
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Radiator guard hinge pin
- Patent number 4,092,074
- Issue date May 30, 1978
- Caterpillar Tractor Co.
- Robert W. Harper
- B60 - VEHICLES IN GENERAL