Individual holder
BARBOUR WILLIAM P
US·5 granted patents·1 pending application·217 citations·filing 1975–2005
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
6 records- 0195US5022683ACheck insert and envelopeBARBOUR WILLIAM P·Filed 1989·Granted Jun 11, 1991·153 cites·11 claims
- 0279US4735510AWhisk structureBARBOUR WILLIAM P·Filed 1987·Granted Apr 5, 1988·55 cites·1 claims
- 0347US2006191106A1Manual window-raising implementBARBOUR WILLIAM P·Filed 2005·Application pending·0 cites
- 0441US4909021AAutomatic envelope openerBARBOUR WILLIAM P·Filed 1988·Granted Mar 20, 1990·7 cites·21 claims
- 0531US4940144AAutomatic envelope opener and envelope for use therewithBARBOUR WILLIAM P·Filed 1989·Granted Jul 10, 1990·2 cites·18 claims
- 0629US4037534AImprinterBARBOUR WILLIAM P·Filed 1975·Granted Jul 26, 1977·0 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →