Assignee
SCHALLER HELMUT F K
9 granted patents·255 citations·filing 1975–1990
Top patents by PatentIndex Score
9 records- 0196US4512232ATremolo tailpiece and bridge deviceSCHALLER HELMUT F K·Filed 1983·Granted Apr 23, 1985·65 cites·33 claims
- 0295US4535668AMagnetic pickup for stringed instrumentsSCHALLER HELMUT F K·Filed 1984·Granted Aug 20, 1985·56 cites·6 claims
- 0386US4274181APivotal and releasable strap couplingSCHALLER HELMUT F K·Filed 1979·Granted Jun 23, 1981·40 cites·9 claims
- 0479US4015501AInjection molded stick for stringed musical instrument bowSCHALLER HELMUT F K·Filed 1975·Granted Apr 5, 1977·25 cites·17 claims
- 0575US4361068ABridge device for stringed instrumentSCHALLER HELMUT F K·Filed 1980·Granted Nov 30, 1982·26 cites·5 claims
- 0658US4984493AAdjustable counter-tensioning mechanism for stringed instrument tremolo deviceSCHALLER HELMUT F K·Filed 1990·Granted Jan 15, 1991·16 cites·8 claims
- 0754US3982462AStringed instrument machine headSCHALLER HELMUT F K·Filed 1975·Granted Sep 28, 1976·13 cites·8 claims
- 0847US4945800AStringed musical instrument machine headSCHALLER HELMUT F K·Filed 1989·Granted Aug 7, 1990·10 cites·7 claims
- 0933US4505177AAttachment for releasably holding stemmed toolsSCHALLER HELMUT F K·Filed 1983·Granted Mar 19, 1985·4 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when SCHALLER HELMUT F K 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 →