Mark William Gravel

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Keokuk, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Power transmission belt
- Patent number 4,108,012
- Issue date Aug 22, 1978
- Borg-Warner Corporation
- John Craig Warner
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Power transmission belt
- Patent number 4,078,443
- Issue date Mar 14, 1978
- Borg-Warner Corporation
- John Craig Warner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Power transmission belt
- Patent number 4,052,909
- Issue date Oct 11, 1977
- Borg-Warner Corporation
- John Craig Warner
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...