Individual holder
HOLLAND JACK O
3 granted patents·48 citations·filing 1979–1983
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0175US4276804APitch adjuster for valved brass instrumentsHOLLAND JACK O·Filed 1979·Granted Jul 7, 1981·24 cites·9 claims
- 0261US4245544AMouthpiece practice holder and tuning adjusterHOLLAND JACK O·Filed 1979·Granted Jan 20, 1981·13 cites·12 claims
- 0346US4512233APitch adjusterHOLLAND JACK O·Filed 1983·Granted Apr 23, 1985·11 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →