Inventor · disambiguated record
Roy D. Lewis
Also filed as: LEWIS ROY D
4 granted patents·23 citations·filing 1978–1980
72Inventor score
Top patents by PatentIndex Score
4 records- 0138US4355495AMethod and apparatus for handling packaging containersNORDEN PACKAGING MACH·Filed 1980·Granted Oct 26, 1982·10 cites·13 claims
- 0236US4458741AMethod of aspiration castingCABOT CORP·Filed 1978·Granted Jul 10, 1984·3 cites·2 claims
- 0331US4352444AControllable volume dosing deviceNORDEN PACKAGING MACH AB·Filed 1980·Granted Oct 5, 1982·8 cites·17 claims
- 0425US4417617AApparatus for vacuum casting of rodsCABOT CORP·Filed 1979·Granted Nov 29, 1983·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Roy D. Lewis 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 →