Inventor · disambiguated record

Gary L. Siewell

Also filed as: SIEWELL GARY · SIEWELL GARY L

2 granted patents·218 citations·filing 1982–1984

71Inventor score

Technology areasB41J

Files withHEWLETT PACKARD CO2

Top patents by PatentIndex Score

2 records

0195US4509062AInk reservoir with essentially constant negative back pressureHEWLETT PACKARD CO·Filed 1982·Granted Apr 2, 1985·163 cites·8 claims
0290US4578687AInk jet printhead having hydraulically separated orificesHEWLETT PACKARD CO·Filed 1984·Granted Mar 25, 1986·55 cites·6 claims

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