Inventor · disambiguated record
Dan W. Matthias
Also filed as: MATTHIAS DAN W · MATTHIAS JR DAN W
8 granted patents·107 citations·filing 1977–1985
87Inventor score
Top patents by PatentIndex Score
8 records- 0189US4288709AHigh performance stepper motorEXXON RESEARCH ENGINEERING CO·Filed 1979·Granted Sep 8, 1981·40 cites·4 claims
- 0258US4413920APrinting ribbon cartridge with flexible ribbon guidesEXXON RESEARCH ENGINEERING CO·Filed 1981·Granted Nov 8, 1983·12 cites·28 claims
- 0354US4620326AAdjustment means and garmentMOTHERS WORK INC·Filed 1985·Granted Nov 4, 1986·24 cites·8 claims
- 0453US4290704AFlexible ribbon guide meansEXXON RESEARCH ENGINEERING CO·Filed 1979·Granted Sep 22, 1981·7 cites·10 claims
- 0551US4198582AHigh performance stepper motorEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted Apr 15, 1980·10 cites·11 claims
- 0649US4149808ALinear drive for a printing apparatusEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted Apr 17, 1979·11 cites·24 claims
- 0738USD253658SPrinter/keyboard for an electronic typing system or similar articleEXXON RES & ENGINEERING CO·Filed 1978·Granted Dec 11, 1979·2 cites·1 claims
- 0829US4507000ACharacter print wheel with drive elementsEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Mar 26, 1985·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →