Inventor · disambiguated record
Douglas F. Mitchell
Also filed as: MITCHELL DOUGLAS F
3 granted patents·23 citations·filing 1974–1977
67Inventor score
Files withRAPOPORT PRINTING CORP3
Top patents by PatentIndex Score
3 records- 0158US4037533AColor lithography using a random pattern screenRAPOPORT PRINTING CORP·Filed 1976·Granted Jul 26, 1977·17 cites·10 claims
- 0231US4011085ALithographic printing processRAPOPORT PRINTING CORP·Filed 1974·Granted Mar 8, 1977·4 cites·19 claims
- 0325US4149464ALithographic plate making and printing processRAPOPORT PRINTING CORP·Filed 1977·Granted Apr 17, 1979·2 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Douglas F. Mitchell files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →