Inventor · disambiguated record
Donald R. Andrews
Also filed as: ANDREWS DONALD R · ANDREWS DONALD RICHARD
4 granted patents·82 citations·filing 1975–1984
77Inventor score
Top patents by PatentIndex Score
4 records- 0187US4623244ACopy production machinesIBM·Filed 1977·Granted Nov 18, 1986·30 cites·165 claims
- 0273US4635042AVacuum leak detectorEDE MICHAEL·Filed 1984·Granted Jan 6, 1987·32 cites·5 claims
- 0373US4099254AMethod and apparatus for electronic collationIBM·Filed 1976·Granted Jul 4, 1978·18 cites·47 claims
- 0429US4003569ALast copy detectionIBM·Filed 1975·Granted Jan 18, 1977·2 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Donald R. Andrews 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 →