Inventor · disambiguated record
Stephen C. Koehn
Also filed as: KOEHN STEPHEN C
3 granted patents·132 citations·filing 1987–1991
76Inventor score
Files withMINNESOTA MINING & MFG3
Top patents by PatentIndex Score
3 records- 0186US5173141APreparing tape having improved tear strengthMINNESOTA MINING & MFG·Filed 1991·Granted Dec 22, 1992·68 cites·10 claims
- 0268US4792042ATransparent box for protecting against damage from electrostatic discharge and sheet material to be cut into a box blank for forming sameMINNESOTA MINING & MFG·Filed 1987·Granted Dec 20, 1988·46 cites·25 claims
- 0354US5079066ATape having improved tear strengthMINNESOTA MINING & MFG·Filed 1988·Granted Jan 7, 1992·18 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →