Bruce Walworth

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Chelsea, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Capo particularly suited to appalachian or mountain dulcimers
- Patent number 8,324,490
- Issue date Dec 4, 2012
- Bruce Walworth
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Capo applicable to dobro and slide guitars, and other raised-string...
- Patent number 7,390,948
- Issue date Jun 24, 2008
- Bruce Walworth
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Collapsible personal transportation vehicle
- Patent number 7,278,507
- Issue date Oct 9, 2007
- Bruce Walworth
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
Capo applicable to dobro and slide guitars, and other raised-string...
- Publication number 20070175312
- Publication date Aug 2, 2007
- Bruce Walworth
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Collapsible personal transportation vehicle
- Publication number 20050236202
- Publication date Oct 27, 2005
- Bruce Walworth
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS