Inventor · disambiguated record
Richard H. Koester
Also filed as: KOESTER RICHARD H
4 granted patents·21 citations·filing 1976–1977
71Inventor score
Technology areasG03B
Files withSINGER CO4
Top patents by PatentIndex Score
4 records- 0175US4092063AFilmstrip projectorSINGER CO·Filed 1976·Granted May 30, 1978·12 cites·10 claims
- 0255US4068809AFilmstrip cartridge with film lockSINGER CO·Filed 1976·Granted Jan 17, 1978·5 cites·2 claims
- 0338US4089450AManual film retrievalSINGER CO·Filed 1977·Granted May 16, 1978·2 cites·9 claims
- 0433US4068935ABacklash free lens focusing apparatusSINGER CO·Filed 1976·Granted Jan 17, 1978·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →