Inventor · disambiguated record
Earl R. Helderman
Also filed as: HELDERMAN EARL R
4 granted patents·119 citations·filing 1980–1986
78Inventor score
Files withTEKTRONIX INC4
Top patents by PatentIndex Score
4 records- 0184US4788627AHeat sink device using composite metal alloyTEKTRONIX INC·Filed 1986·Granted Nov 29, 1988·69 cites·9 claims
- 0272US4331476ASputtering targets with low mobile ion contaminationTEKTRONIX INC·Filed 1980·Granted May 25, 1982·21 cites·7 claims
- 0360US4847445AZirconium thin-film metal conductor systemsTEKTRONIX INC·Filed 1985·Granted Jul 11, 1989·27 cites·5 claims
- 0423US4490408AMethod and device for metallizing the internal surface of a hollow objectTEKTRONIX INC·Filed 1983·Granted Dec 25, 1984·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →