Inventor · disambiguated record
John A. Christianson
Also filed as: CHRISTIANSON JOHN A
8 granted patents·204 citations·filing 1990–1998
89Inventor score
Files withHEWLETT PACKARD CO8
Top patents by PatentIndex Score
8 records- 0186US5764254AAlignment of differently sized printheads in a printerHEWLETT PACKARD CO·Filed 1995·Granted Jun 9, 1998·54 cites·5 claims
- 0275USD373378SColor inkjet printerHEWLETT PACKARD CO·Filed 1995·Granted Sep 3, 1996·20 cites·1 claims
- 0374US5366305ATwo-line contact carriage bearing subsystemHEWLETT PACKARD CO·Filed 1993·Granted Nov 22, 1994·33 cites·13 claims
- 0471US5975679ADot alignment in mixed resolution printerHEWLETT PACKARD CO·Filed 1997·Granted Nov 2, 1999·31 cites·9 claims
- 0561US5971524AAlignment of differently sized printheads in a printerHEWLETT PACKARD CO·Filed 1998·Granted Oct 26, 1999·24 cites·14 claims
- 0661US5171531AApparatus for automatic delivery of a vial to an automated sampling systemHEWLETT PACKARD CO·Filed 1991·Granted Dec 15, 1992·30 cites·10 claims
- 0736US5131997ACapillary zone electrophoresis cassetteHEWLETT PACKARD CO·Filed 1990·Granted Jul 21, 1992·6 cites·16 claims
- 0835US5122253ATransverse forced gas cooling for capillary zone electrophoresisHEWLETT PACKARD CO·Filed 1990·Granted Jun 16, 1992·6 cites·15 claims
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