Inventor · disambiguated record

Robert A. Hartzell

Also filed as: HARTZELL ROBERT A

3 granted patents·275 citations·filing 1978–1996

78Inventor score

Technology areasC30B G03F G05B

Files withTEXAS INSTRUMENTS INC2 LITTON SYSTEMS INC1

Top patents by PatentIndex Score

3 records

0194US5402367AApparatus and method for model based process controlTEXAS INSTRUMENTS INC·Filed 1993·Granted Mar 28, 1995·164 cites·19 claims
0285US5838595AApparatus and method for model based process controlTEXAS INSTRUMENTS INC·Filed 1996·Granted Nov 17, 1998·98 cites·20 claims
0358US4224100AMethod and apparatus for making crystalsLITTON SYSTEMS INC·Filed 1978·Granted Sep 23, 1980·13 cites·10 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →