Inventor · disambiguated record
John Sperry
Also filed as: SPERRY JOHN · SPERRY JOHN D
4 granted patents·1 pending application·72 citations·filing 1972–2013
79Inventor score
Top patents by PatentIndex Score
5 records- 0191US7503541B2Beach umbrella stand including foot operated drive assembly for anchoring and method of useH & S ENDEAVORS LLC·Filed 2007·Granted Mar 17, 2009·29 cites·6 claims
- 0287US7246783B2Beach umbrella stand including foot operated drive assembly for anchoring and method of useHAROLD ROBERT·Filed 2005·Granted Jul 24, 2007·24 cites·8 claims
- 0382US7942377B2Beach umbrella stand including foot operated drive assembly for anchoring and method of useH & S ENDEAVORS LLC·Filed 2009·Granted May 17, 2011·10 cites·9 claims
- 0457US3987980ASimplified precision tape cassette and systemARVIN IND INC·Filed 1972·Granted Oct 26, 1976·9 cites·2 claims
- 0552US2015161686A1Managing ReviewsWILLIAMS KURTIS·Filed 2013·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when John 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 →