Gary L. Snethen

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Des Moines, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Electronic music instrument system with musical keyboard
- Patent number 6,160,213
- Issue date Dec 12, 2000
- Van Koevering Company
- Rob C. Arnold
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electronic music instrument system with musical keyboard
- Patent number 5,908,997
- Issue date Jun 1, 1999
- Van Koevering Company
- Rob C. Arnold
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Electronic music instrument system with musical keyboard
- Publication number 20020108484
- Publication date Aug 15, 2002
- Rob C. Arnold
- G10 - MUSICAL INSTRUMENTS ACOUSTICS