Inventor · disambiguated record
Donald T. Crehan
Also filed as: CREHAN DONALD T
4 granted patents·244 citations·filing 1983–1983
79Inventor score
Files withIBM4
Top patents by PatentIndex Score
4 records- 0191US4616336AIndependent image and annotation overlay with highlighting of overlay conflictsIBM·Filed 1983·Granted Oct 7, 1986·197 cites·5 claims
- 0260US4611306ADisplay menu/chart keyIBM·Filed 1983·Granted Sep 9, 1986·28 cites·3 claims
- 0356US4555700AInternal image and bit array for display and printing of graphicsIBM·Filed 1983·Granted Nov 26, 1985·16 cites·4 claims
- 0430US4556878ADisplay of graphics using a non-all points addressable displayIBM·Filed 1983·Granted Dec 3, 1985·3 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →