Gerald D. Hardy

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East Peoria, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Powertrain performance assessment system
- Patent number 5,109,696
- Issue date May 5, 1992
- Caterpillar Inc.
- Irving Bright
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Draft control apparatus and method
- Patent number 5,040,119
- Issue date Aug 13, 1991
- Caterpillar Inc.
- Gerald D. Hardy
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus for selectively positioning movable work element with pre...
- Patent number 4,852,657
- Issue date Aug 1, 1989
- Caterpillar Inc.
- Gerald D. Hardy
- G05 - CONTROLLING REGULATING