Inventor · disambiguated record
David S. Ritchie
Also filed as: RITCHIE DAVID S · RITCHIE DAVID SCARTH
4 granted patents·394 citations·filing 1975–1989
79Inventor score
Top patents by PatentIndex Score
4 records- 0195US4246612AOptical raster scanning systemBARR & STROUD LTD·Filed 1979·Granted Jan 20, 1981·339 cites·6 claims
- 0275US3997762AFire control systemRITCHIE DAVID SCARTH·Filed 1975·Granted Dec 14, 1976·42 cites·8 claims
- 0347US4418361ATracking linkBARR & STROUD LTD·Filed 1982·Granted Nov 29, 1983·12 cites·5 claims
- 0426US4964724ARadiation receiving mastBARR & STROUD LTD·Filed 1989·Granted Oct 23, 1990·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →