Inventor · disambiguated record
Roy K. Hill
Also filed as: HILL ROY K
3 granted patents·51 citations·filing 1979–1979
72Inventor score
Files withSPERRY CORP3
Top patents by PatentIndex Score
3 records- 0169US4296332ASprocket hole sensing detector for moving translucent paper sheetsSPERRY CORP·Filed 1979·Granted Oct 20, 1981·24 cites·4 claims
- 0265US4288701AMark sensing detectorSPERRY CORP·Filed 1979·Granted Sep 8, 1981·19 cites·11 claims
- 0354US4306145AHigh stability no feedback optical transistor amplifier systemSPERRY CORP·Filed 1979·Granted Dec 15, 1981·8 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Roy K. Hill 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 →