Ronald E. Heiskell

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Union City, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Piano lift
- Patent number 4,475,714
- Issue date Oct 9, 1984
- Ronald E. Heiskell
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Drumstrick for playing percussion instruments
- Patent number 4,462,296
- Issue date Jul 31, 1984
- Ronald E. Heiskell
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Drumstick and method of manufacture
- Patent number 4,385,544
- Issue date May 31, 1983
- Ronald E. Heiskell
- G10 - MUSICAL INSTRUMENTS ACOUSTICS