Individual holder
GEIGER JOHN F
US·5 granted patents·1 pending application·69 citations·filing 1989–2017
Individually held — no corporate assignee on record.
Technology mixG10D6
Top patents by PatentIndex Score
6 records- 0188US7259308B2Acoustic guitar resonatorGEIGER JOHN F·Filed 2004·Granted Aug 21, 2007·23 cites·20 claims
- 0274US7145064B2Acoustic amplifier and tone controller for stringed musical instrumentsGEIGER JOHN F·Filed 2005·Granted Dec 5, 2006·9 cites·14 claims
- 0353US5355756ASound-enhanced stringed musical instrumentsGEIGER JOHN F·Filed 1993·Granted Oct 18, 1994·13 cites·8 claims
- 0453US5347906AAdjustable stringed instrument muteGEIGER JOHN F·Filed 1993·Granted Sep 20, 1994·13 cites·6 claims
- 0549US4899634ABridge for stringed musical instrumentsGEIGER JOHN F·Filed 1989·Granted Feb 13, 1990·11 cites·3 claims
- 0636US2018247617A1Movable tone amplifier for banjosGEIGER JOHN F·Filed 2017·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when GEIGER JOHN F files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →