Individual holder
SMITH DONALD A
4 granted patents·135 citations·filing 1979–2004
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0195US4342177APrefabricated steel frame building construction components and methodsSMITH DONALD A·Filed 1979·Granted Aug 3, 1982·82 cites·24 claims
- 0268US7203994B2Compressed air vacuum cleanerSMITH DONALD A·Filed 2004·Granted Apr 17, 2007·15 cites·29 claims
- 0366US5340387AColor transforming art medium compositionsSMITH DONALD A·Filed 1992·Granted Aug 23, 1994·26 cites·2 claims
- 0464US7299522B1Compressed air vacuum cleanerSMITH DONALD A·Filed 2004·Granted Nov 27, 2007·12 cites·23 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →