Inventor

GREEVEN JOHN

US2 patents

⚠️ This page may combine multiple inventors who share the name “GREEVEN JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEWLETT PACKARD CO

1 patent

US5975686ANov 2, 1999

Regulator for a free-ink inkjet pen

HEWLETT PACKARD CO76 citations94

HEWLETT PACKARD DEVELOPMENT CO

1 patent

US6832200B2Dec 14, 2004

Apparatus for closed-loop pharmaceutical delivery

HEWLETT PACKARD DEVELOPMENT CO87 citations90