Inventor · disambiguated record
Thomas D. G. Hellings
Also filed as: HELLINGS THOMAS D G
3 granted patents·25 citations·filing 1987–1990
68Inventor score
Files withMINNESOTA MINING & MFG3
Top patents by PatentIndex Score
3 records- 0150US4959294AInfra-red sensitising dyes for silver halideMINNESOTA MINING & MFG·Filed 1988·Granted Sep 25, 1990·14 cites·10 claims
- 0245US5041550AInfra-red sensitizing dyes for silver halideMINNESOTA MINING & MFG·Filed 1990·Granted Aug 20, 1991·3 cites·4 claims
- 0343US4818663APhotographic materials and color proofing systemMINNESOTA MINING & MFG·Filed 1987·Granted Apr 4, 1989·8 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →