Inventor · disambiguated record
William A. Hatsell
Also filed as: HATSELL WILLIAM A
3 granted patents·35 citations·filing 1977–1979
70Inventor score
Technology areasB41J
Files withEXXON RESEARCH ENGINEERING CO3
Top patents by PatentIndex Score
3 records- 0169US4203677APrinter ribbon lift assemblyEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted May 20, 1980·16 cites·13 claims
- 0262US4203676ARibbon mounting apparatusEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted May 20, 1980·12 cites·19 claims
- 0349US4265553ARibbon threading assembly for an impact printerEXXON RESEARCH ENGINEERING CO·Filed 1979·Granted May 5, 1981·7 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when William A. Hatsell 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 →