Inventor · disambiguated record
Donald H. Preist
Also filed as: PREIST DONALD H
3 granted patents·86 citations·filing 1975–1983
74Inventor score
Technology areasH01J
Files withVARIAN ASSOCIATES3
Top patents by PatentIndex Score
3 records- 0187US4480210AGridded electron power tubeVARIAN ASSOCIATES·Filed 1982·Granted Oct 30, 1984·40 cites·75 claims
- 0285US4527091ADensity modulated electron beam tube with enhanced gainVARIAN ASSOCIATES·Filed 1983·Granted Jul 2, 1985·38 cites·19 claims
- 0354US4011481AModular electron discharge deviceVARIAN ASSOCIATES·Filed 1975·Granted Mar 8, 1977·8 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →