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Inventor

MCELFRESH DAVID

US8 patents
⚠️ This page may combine multiple inventors who share the name “MCELFRESH DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEWLETT PACKARD DEVELOPMENT CO

5 patents
US6557976B2May 6, 2003

Electrical circuit for wide-array inkjet printhead assembly

HEWLETT PACKARD DEVELOPMENT CO317 citations98
US6719398B1Apr 13, 2004

Inkjet printing with air movement system

HEWLETT PACKARD DEVELOPMENT CO41 citations92
US6886905B2May 3, 2005

Inkjet printing with air movement system

HEWLETT PACKARD DEVELOPMENT CO18 citations84
US6843552B2Jan 18, 2005

Electrical circuit for printhead assembly

HEWLETT PACKARD DEVELOPMENT CO7 citations73
US6880246B2Apr 19, 2005

Method of forming substrate with fluid passage supports

HEWLETT PACKARD DEVELOPMENT CO7 citations72

HEWLETT PACKARD CO

2 patents
US6520624B1Feb 18, 2003

Substrate with fluid passage supports

HEWLETT PACKARD CO24 citations91
US6409307B1Jun 25, 2002

Coplanar mounting of printhead dies for wide-array inkjet printhead assembly

HEWLETT PACKARD CO23 citations91

SUN MICROSYSTEMS INC

1 patent
US7668696B2Feb 23, 2010

Method and apparatus for monitoring the health of a computer system

SUN MICROSYSTEMS INC4 citations62