Gerald L. Johnson

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Boise, ID, US

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Patents Grantslast 30 patents

Information Patent Grant
Scale-based music notation system
- Patent number 5,962,800
- Issue date Oct 5, 1999
- Gerald L. Johnson
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Simplified keyboard and electronic musical instrument
- Patent number 5,841,053
- Issue date Nov 24, 1998
- Gerald L. Johnson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS