Harold O. Schwartz

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Elburn, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Action for electronic piano
- Patent number 4,375,179
- Issue date Mar 1, 1983
- The Wurlitzer Company
- Harold O. Schwartz
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Modular, expandable digital organ system
- Patent number 4,319,508
- Issue date Mar 16, 1982
- The Wurlitzer Company
- Harold O. Schwartz
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Large scale integrated circuit generator chip for electronic organ
- Patent number 4,256,002
- Issue date Mar 17, 1981
- The Wurlitzer Company
- Harold O. Schwartz
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Large scale integrated circuit chip for an electronic organ
- Patent number 4,253,366
- Issue date Mar 3, 1981
- The Wurlitzer Company
- William R. Hoskinson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Master control LSI chip
- Patent number 4,218,949
- Issue date Aug 26, 1980
- The Wurlitzer Company
- Harold O. Schwartz
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Large scale integrated circuit chip for an electronic organ
- Patent number 4,203,337
- Issue date May 20, 1980
- The Wurlitzer Company
- Harold O. Schwartz
- G10 - MUSICAL INSTRUMENTS ACOUSTICS