David Rand Jr.

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Stuart, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Visible signaling sports whistle
- Patent number 5,507,246
- Issue date Apr 16, 1996
- David Rand
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Mechanical guitar chord maker
- Patent number 4,593,595
- Issue date Jun 10, 1986
- David Rand
- G10 - MUSICAL INSTRUMENTS ACOUSTICS