Inventor
STEPHENS JR RONALD D
US11 patents
⚠️ This page may combine multiple inventors who share the name “STEPHENS JR RONALD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
9 patentsUS6065824AMay 23, 2000
Method and apparatus for storing information on a replaceable ink container
HEWLETT PACKARD CO222 citations98
US5835817ANov 10, 1998
Replaceable part with integral memory for usage, calibration and other data
HEWLETT PACKARD CO425 citations98
US5699091ADec 16, 1997
Replaceable part with integral memory for usage, calibration and other data
HEWLETT PACKARD CO433 citations98
US6076920AJun 20, 2000
Replaceable ink supply module (bag/box/tube/valve) for replenishment of on-carriage inkjet printhead
HEWLETT PACKARD CO61 citations95
US6179401B1Jan 30, 2001
Multi-component installation feedback system for replacement print cartridges, valve holders, and service station cassettes for on board ink delivery systems replenishment
HEWLETT PACKARD CO50 citations91
US6120132ASep 19, 2000
Assembly technique using modular ink delivery components for installation in an inkjet printer
HEWLETT PACKARD CO38 citations91
US6239822B1May 29, 2001
Replaceable ink supply module (bag/box/tube/valve) for replenishment of on-carriage inkjet printhead
HEWLETT PACKARD CO6 citations73
US6439688B1Aug 27, 2002
Technique for printing a bar code while conserving colorant
HEWLETT PACKARD CO12 citations72
USD426850SJun 20, 2000
Ink cartridge for printers
HEWLETT PACKARD CO5 citations61