Inventor · disambiguated record
Robert L. Chapman
Also filed as: CHAPMAN ROBERT L
3 granted patents·177 citations·filing 1979–1997
76Inventor score
Top patents by PatentIndex Score
3 records- 0183US6021380AAutomatic semiconductor wafer sorter/prober with extended optical inspectionSCANIS INC·Filed 1997·Granted Feb 1, 2000·136 cites·7 claims
- 0263US4231256AThermoelectric gas dryerBECKMAN INSTRUMENTS INC·Filed 1979·Granted Nov 4, 1980·23 cites·17 claims
- 0350US4659462AApparatus for pretreatment of water using a bed of granular activated carbonCH2M HILL INC·Filed 1985·Granted Apr 21, 1987·18 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Robert L. Chapman 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 →