Inventor · disambiguated record
Richard D. Colgren
Also filed as: COLGREN RICHARD D
4 granted patents·205 citations·filing 1990–2007
81Inventor score
Top patents by PatentIndex Score
4 records- 0186USD596267SModular unmanned air-vehicleCOLGREN RICHARD D·Filed 2006·Granted Jul 14, 2009·47 cites·1 claims
- 0285US7922115B2Modular unmanned air-vehicleCOLGREN RICHARD D·Filed 2007·Granted Apr 12, 2011·64 cites·12 claims
- 0379US6273370B1Method and system for estimation and correction of angle-of-attack and sideslip angle from acceleration measurementsLOCKHEED CORP·Filed 1999·Granted Aug 14, 2001·84 cites·18 claims
- 0429US5063735ARocket-powered ducted fan engineCOLGREN RICHARD D·Filed 1990·Granted Nov 12, 1991·10 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →