Individual holder
SHIELDS WILLIAM D
US·6 granted patents·366 citations·filing 1976–1993
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
6 records- 0192US4822034ABarbell systemSHIELDS WILLIAM D·Filed 1988·Granted Apr 18, 1989·121 cites·33 claims
- 0290US4130315AMotorcycle fairing with vent meansSHIELDS WILLIAM D·Filed 1977·Granted Dec 19, 1978·42 cites·3 claims
- 0384US4982957AAlignment apparatus for use in freeweight barbell systemsSHIELDS WILLIAM D·Filed 1989·Granted Jan 8, 1991·68 cites·22 claims
- 0481US5284463AWeight lifting apparatusSHIELDS WILLIAM D·Filed 1993·Granted Feb 8, 1994·64 cites·36 claims
- 0581US4010976AMotorcycle fairingSHIELDS WILLIAM D·Filed 1976·Granted Mar 8, 1977·26 cites·10 claims
- 0674US4953855AMethod and apparatus for variable proportional weight lifting exercisesSHIELDS WILLIAM D·Filed 1989·Granted Sep 4, 1990·45 cites·64 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →