Inventor · disambiguated record
William R. Pangratz
Also filed as: PANGRATZ WILLIAM R · SINCIUS JOSEPH A
2 granted patents·45 citations·filing 1977–1993
63Inventor score
Files withDU PONT2
Top patents by PatentIndex Score
2 records- 0168US5384232AProcess for rapid access development of silver halide films using pyridinium as development acceleratorsDU PONT·Filed 1993·Granted Jan 24, 1995·35 cites·15 claims
- 0267US4172728AHigh contrast continuous tone developer and process of useDU PONT·Filed 1977·Granted Oct 30, 1979·10 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →