Jeffrey A. Roberts

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Apple Valley, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Folding base
- Patent number 10,584,824
- Issue date Mar 10, 2020
- Jeffrey A. Roberts
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Boom stand stacking counterweights
- Patent number 9,516,400
- Issue date Dec 6, 2016
- Jeffrey A. Roberts
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Nitride sustain
- Patent number 9,000,283
- Issue date Apr 7, 2015
- Jeffrey A. Roberts
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Nitride slide
- Patent number 8,618,391
- Issue date Dec 31, 2013
- Jeffrey A. Roberts
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Guitar slide
- Patent number 5,450,778
- Issue date Sep 19, 1995
- Jeffrey A. Roberts
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Guitar slide
- Patent number 5,251,527
- Issue date Oct 12, 1993
- Jeffrey A. Roberts
- G10 - MUSICAL INSTRUMENTS ACOUSTICS