Individual holder
BLACKWOOD WILLIAM A
3 granted patents·83 citations·filing 1975–2013
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0182US4177001AForklift attachment for highway vehiclesBLACKWOOD WILLIAM A·Filed 1977·Granted Dec 4, 1979·34 cites·27 claims
- 0281US8777238B1Medical emergency portable lift chairBLACKWOOD WILLIAM A·Filed 2013·Granted Jul 15, 2014·19 cites·10 claims
- 0378US4038948ARotary internal combustion engineBLACKWOOD WILLIAM A·Filed 1975·Granted Aug 2, 1977·30 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →