Gerald P. Simmons

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Morton, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydrostatic/direct drive transmission system and associated method
- Patent number 6,139,458
- Issue date Oct 31, 2000
- Caterpillar Inc.
- Gerald P. Simmons
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Electro-hydraulic interlock system for a transmission
- Patent number 5,438,887
- Issue date Aug 8, 1995
- Caterpillar Inc.
- Gerald P. Simmons
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...