Inventor · disambiguated record
Roger I. Krech
Also filed as: KRECH ROGER I
4 granted patents·152 citations·filing 1979–1993
79Inventor score
Files withMINNESOTA MINING & MFG4
Top patents by PatentIndex Score
4 records- 0191US5108865AOffset transfer of toner images in electrographyMINNESOTA MINING & MFG·Filed 1990·Granted Apr 28, 1992·88 cites·20 claims
- 0288US4260673ASingle sheet color proofing systemMINNESOTA MINING & MFG·Filed 1979·Granted Apr 7, 1981·52 cites·5 claims
- 0352US5124220ABilayer topcoats for organic photoconductive elementsMINNESOTA MINING & MFG·Filed 1990·Granted Jun 23, 1992·9 cites·19 claims
- 0434US5342720AColor proofing element and process for making the sameMINNESOTA MINING & MFG·Filed 1993·Granted Aug 30, 1994·3 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →