Assignee
HAMMOND PATRICK
3 granted patents·15 citations·filing 2005–2009
Technology mixG09B3
Top patents by PatentIndex Score
3 records- 0178US7875785B2Instructional device and method for piano or other musical keyboardHAMMOND PATRICK·Filed 2009·Granted Jan 25, 2011·5 cites·20 claims
- 0277US7619154B2Instructional device and method for piano or other musical keyboardHAMMOND PATRICK·Filed 2006·Granted Nov 17, 2009·5 cites·23 claims
- 0376US7875786B2Instructional device and method for guitar or other stringed instrumentHAMMOND PATRICK·Filed 2005·Granted Jan 25, 2011·5 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →