Individual holder
BARKER SIDNEY L
3 granted patents·137 citations·filing 1976–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0187US5060532AUniversal joint boomBARKER SIDNEY L·Filed 1990·Granted Oct 29, 1991·90 cites·15 claims
- 0276US4718519AHigh lift scissor jackBARKER SIDNEY L·Filed 1985·Granted Jan 12, 1988·41 cites·12 claims
- 0328US4029435ARetractable blade for a helicopter rotorBARKER SIDNEY L·Filed 1976·Granted Jun 14, 1977·6 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →