Inventor · disambiguated record
Gerald E. Heppell
Also filed as: HEPPELL GERALD E
3 granted patents·134 citations·filing 1997–1999
76Inventor score
Technology areasB41J
Files withHEWLETT PACKARD CO3
Top patents by PatentIndex Score
3 records- 0185US6155675APrinthead structure and method for producing the sameHEWLETT PACKARD CO·Filed 1997·Granted Dec 5, 2000·61 cites·14 claims
- 0277US6328423B1Ink jet cartridge with integrated circuitryHEWLETT PACKARD CO·Filed 1999·Granted Dec 11, 2001·38 cites·8 claims
- 0373US6062679APrinthead for an inkjet cartridge and method for producing the sameHEWLETT PACKARD CO·Filed 1997·Granted May 16, 2000·35 cites·12 claims
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