Inventor
BEESON ROBERT R
US11 patents
⚠️ This page may combine multiple inventors who share the name “BEESON ROBERT R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
10 patentsUS5565900AOct 15, 1996
Unit print head assembly for ink-jet printing
HEWLETT PACKARD CO387 citations98
US5408746AApr 25, 1995
Datum formation for improved alignment of multiple nozzle members in a printer
HEWLETT PACKARD CO202 citations98
US5049898ASep 17, 1991
Printhead having memory element
HEWLETT PACKARD CO627 citations98
US5646666AJul 8, 1997
Back pressure control in ink-jet printing
HEWLETT PACKARD CO107 citations97
US5621444AApr 15, 1997
Controlled heating of solid ink in ink-jet printing
HEWLETT PACKARD CO56 citations95
US5589865ADec 31, 1996
Inkjet page-wide-array printhead cleaning method and apparatus
HEWLETT PACKARD CO57 citations95
US6305786B1Oct 23, 2001
Unit print head assembly for an ink-jet printer
HEWLETT PACKARD CO33 citations92
US5742308AApr 21, 1998
Ink jet printer cartridge refilling method and apparatus
HEWLETT PACKARD CO22 citations91
US5617128AApr 1, 1997
Alignment of multiple nozzle members in a printer
HEWLETT PACKARD CO42 citations91
US6299297B1Oct 9, 2001
Compacting empty ink containers
HEWLETT PACKARD CO2 citations62