Individual holder
SPEARS RICHARD L
US·3 granted patents·113 citations·filing 1986–2011
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0189US4753094AApparatus and method of powder-metal peen coating metallic surfacesSPEARS RICHARD L·Filed 1986·Granted Jun 28, 1988·72 cites·1 claims
- 0288US8764513B1Media recycling apparatus and process for wet media blast operationsSPEARS RICHARD L·Filed 2011·Granted Jul 1, 2014·14 cites·5 claims
- 0365US5049260ABlast cleaning wet media feed and separation systemSPEARS RICHARD L·Filed 1990·Granted Sep 17, 1991·27 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →