Inventor · disambiguated record
Donald I. Loofbourow
Also filed as: LACH ROBERT E · LOOFBOUROW DONALD I
6 granted patents·528 citations·filing 1977–1993
83Inventor score
Top patents by PatentIndex Score
6 records- 0197US5442387AApparatus for supplying phase change ink to an ink jet printerTEKTRONIX INC·Filed 1993·Granted Aug 15, 1995·326 cites·15 claims
- 0296US5223860AApparatus for supplying phase change ink to an ink jet printerTEKTRONIX INC·Filed 1991·Granted Jun 29, 1993·196 cites·28 claims
- 0347USD257770SDouble viewer cartridgeGAF CORP·Filed 1978·Granted Jan 6, 1981·4 cites·1 claims
- 0437US4103846AFilm web handling mechanismGAF CORP·Filed 1977·Granted Aug 1, 1978·2 cites·5 claims
- 0527US4169667AFilm buffer for motion picture projectorsGAF CORP·Filed 1977·Granted Oct 2, 1979·0 cites·9 claims
- 0625US4145127AFilm transport and control mechanism for motion picture projectorsGAF CORP·Filed 1977·Granted Mar 20, 1979·0 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →