Inventor · disambiguated record
John A. Sperry
Also filed as: SPERRY JOHN A · SPERRY JOHN ARTHUR
5 granted patents·134 citations·filing 1974–1988
82Inventor score
Top patents by PatentIndex Score
5 records- 0182US4824765AWater-soluble photoinitiatorsSPERRY JOHN A·Filed 1986·Granted Apr 25, 1989·77 cites·6 claims
- 0273US4041204ADry transfer sheetsAUTOTYPE COMPANY LIMITED·Filed 1974·Granted Aug 9, 1977·27 cites·7 claims
- 0355US4478977APhotopolymer derivatives of polyvinyl alcoholAUTOTYPE INT LTD·Filed 1983·Granted Oct 23, 1984·14 cites·11 claims
- 0449US4477552AStabilization of diazo-resin sensitizers with polyvinyl pyridineAUTOTYPE INT LTD·Filed 1982·Granted Oct 16, 1984·12 cites·12 claims
- 0535US5043362APhotopolymerizable compositionsAUTOTYPE INT LTD·Filed 1988·Granted Aug 27, 1991·4 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when John A. Sperry 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 →