Inventor · disambiguated record
Walter Patzold
Also filed as: PAETZOLD WALTER · ROSENHAHN LOTHAR
8 granted patents·69 citations·filing 1978–1992
84Inventor score
Files withAGFA GEVAERT AG8
Top patents by PatentIndex Score
8 records- 0177US4455359ATamper-proof documentAGFA GEVAERT AG·Filed 1982·Granted Jun 19, 1984·34 cites·10 claims
- 0267US4987063AGradation variable black- and -white paperAGFA GEVAERT AG·Filed 1988·Granted Jan 22, 1991·10 cites·4 claims
- 0367US4301242AEmulsion mixture for color reversal (reflection viewing) materialAGFA GEVAERT AG·Filed 1979·Granted Nov 17, 1981·10 cites·2 claims
- 0464US5229264APhotographic silver halide emulsionAGFA GEVAERT AG·Filed 1992·Granted Jul 20, 1993·6 cites·5 claims
- 0558US5006455AGradation-variable black-and-white paperAGFA GEVAERT AG·Filed 1988·Granted Apr 9, 1991·7 cites·5 claims
- 0640US4210714APhotographic material with improved propertiesAGFA GEVAERT AG·Filed 1978·Granted Jul 1, 1980·2 cites·5 claims
- 0729US4990440APhotographic silver halide emulsion containing gelatineAGFA GEVAERT AG·Filed 1989·Granted Feb 5, 1991·0 cites·4 claims
- 0828US4810627APhotographic recording materialAGFA GEVAERT AG·Filed 1988·Granted Mar 7, 1989·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →