Inventor · disambiguated record
Roy W. Downing
Also filed as: DOWNING ROY W · LONG JOHN G
5 granted patents·514 citations·filing 1977–1981
84Inventor score
Top patents by PatentIndex Score
5 records- 0196US4456010ACranial drillCODMAN & SHURTLEFF·Filed 1981·Granted Jun 26, 1984·90 cites·17 claims
- 0292US4254763ASurgical retractor assemblyCODMAN & SHURTLEFF·Filed 1979·Granted Mar 10, 1981·329 cites·12 claims
- 0372US4362161ACranial drillCODMAN & SHURTLEFF·Filed 1980·Granted Dec 7, 1982·90 cites·13 claims
- 0440USD271521SPump handle for use with a biopsy specimen collectorASHBOURNE DEV CORPORATION·Filed 1980·Granted Nov 22, 1983·4 cites·1 claims
- 0525US4197001APhotographic processing apparatus with variable sized tanks lined with bag-like plastic tank interiorsDURST UK LTD·Filed 1977·Granted Apr 8, 1980·1 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Roy W. Downing 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 →