Inventor · disambiguated record
Roger L. Marvin
Also filed as: MARVIN ROGER · MARVIN ROGER L
4 granted patents·81 citations·filing 1978–2005
78Inventor score
Technology areasG03B
Top patents by PatentIndex Score
4 records- 0192US4188111AAdditive tri-color lamphouse for a photographic printerKREONITE INC·Filed 1978·Granted Feb 12, 1980·38 cites·6 claims
- 0290US4166588ASelf-threading take-up magazine for a photographic printerKREONITE INC·Filed 1978·Granted Sep 4, 1979·27 cites·9 claims
- 0366US4188115AMagnetic film carrierKREONITE INC·Filed 1978·Granted Feb 12, 1980·7 cites·4 claims
- 0446USD546168SCantilevered hookMARVIN ROGER·Filed 2005·Granted Jul 10, 2007·9 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →