Inventor · disambiguated record
David C. Weigel
Also filed as: WEIGEL DAVID C
13 granted patents·169 citations·filing 1979–1995
92Inventor score
Files withMINNESOTA MINING & MFG13
Top patents by PatentIndex Score
13 records- 0188US4883747AColor photothermographic elementsMINNESOTA MINING & MFG·Filed 1988·Granted Nov 28, 1989·26 cites·13 claims
- 0287US5275932AThermal development accelerators for thermographic materialsMINNESOTA MINING & MFG·Filed 1992·Granted Jan 4, 1994·17 cites·17 claims
- 0383US4328181AIndicator materialMINNESOTA MINING & MFG·Filed 1979·Granted May 4, 1982·38 cites·16 claims
- 0478US4585734APhotothermographic tonersMINNESOTA MINING & MFG·Filed 1985·Granted Apr 29, 1986·14 cites·20 claims
- 0571US4923792AColor photothermographic elementsMINNESOTA MINING & MFG·Filed 1989·Granted May 8, 1990·11 cites·12 claims
- 0669US4587211APhotothermographic stabilizers for syringaldazine leuco dyesMINNESOTA MINING & MFG·Filed 1985·Granted May 6, 1986·10 cites·13 claims
- 0766US4782010APhotohermographic emulsions having stable color forming developersMINNESOTA MINING & MFG·Filed 1986·Granted Nov 1, 1988·10 cites·30 claims
- 0865US5576074ALaser write process for making a conductive metal circuitMINNESOTA MINING & MFG·Filed 1995·Granted Nov 19, 1996·26 cites·10 claims
- 0965US5185231ADry silver systems with fluoran leuco dyesMINNESOTA MINING & MFG·Filed 1991·Granted Feb 9, 1993·6 cites·23 claims
- 1052US5206112APositive imaging diffusion - transfer dry silver systemMINNESOTA MINING & MFG·Filed 1991·Granted Apr 27, 1993·3 cites·17 claims
- 1138US4795697AStabilization of ketazine dyesMINNESOTA MINING & MFG·Filed 1986·Granted Jan 3, 1989·6 cites·20 claims
- 1237US5278024APositive imaging diffusion-transfer dry silver system using formazan dyeMINNESOTA MINING & MFG·Filed 1992·Granted Jan 11, 1994·1 cites·5 claims
- 1332US5026633AColor photothermographic materials with development acceleratorMINNESOTA MINING & MFG·Filed 1989·Granted Jun 25, 1991·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →