Assignee
VERNE Q POWELL FLUTES INC
US·7 granted patents·82 citations·filing 1988–2006
Top patents by PatentIndex Score
7 records- 0176US4967632APad with impression memoryVERNE Q POWELL FLUTES INC·Filed 1988·Granted Nov 6, 1990·26 cites·30 claims
- 0266US6242678B1Musical instrument open hole cup plug, plug removal/storage tool, and kitVERNE Q POWELL FLUTES INC·Filed 2000·Granted Jun 5, 2001·10 cites·33 claims
- 0359US7667117B2Musical instrument piston valveVERNE Q POWELL FLUTES INC·Filed 2005·Granted Feb 23, 2010·6 cites·4 claims
- 0454US4962007AFlute tubing of laminated metal including a bonded layer of precious metal alloyVERNE Q POWELL FLUTES INC·Filed 1989·Granted Oct 9, 1990·13 cites·21 claims
- 0553US7420109B2Musical instrument tone hole forming tool and methodVERNE Q POWELL FLUTES INC·Filed 2006·Granted Sep 2, 2008·4 cites·11 claims
- 0652US5339719AProcess for seating a tone hole padVERNE Q POWELL FLUTES INC·Filed 1992·Granted Aug 23, 1994·13 cites·30 claims
- 0750US5381718AProcess for magnetically seating a tone hole padVERNE Q POWELL FLUTES INC·Filed 1993·Granted Jan 17, 1995·10 cites·23 claims
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