John H. Blakemore

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Oak Park, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Infinitely variable positive mechanical transmissions
- Patent number 4,873,893
- Issue date Oct 17, 1989
- John H. Blakemore
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Lever action wheelchair
- Patent number 4,858,483
- Issue date Aug 22, 1989
- John Blakemore
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Infinitely variable positive mechanical transmission
- Patent number 4,763,544
- Issue date Aug 16, 1988
- John H. Blakemore
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...