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Dive into the research topics where John A. Underwood is active.

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Featured researches published by John A. Underwood.


Archive | 2001

Electrical and fluidic interface for an ink supply

Robert L Battey; Michael L. Bullock; John A. Barinaga; James E. Clark; John A. Underwood; Paul David Gast; Susan M. Hmelar; David O. Merrill


Archive | 1997

Ink container having electronic and mechanical features enabling plug compatibility between multiple supply sizes

Winthrop D. Childers; Michael L. Bullock; Bruce Cowger; John A. Underwood; Susan M. Hmelar; James E. Clark; Paul David Gast; John A. Barinaga; David O. Merrill


Archive | 2001

METHOD AND APPARATUS FOR KEYING INK SUPPLY CONTAINERS

Susan M. Hmelar; David O. Merrill; Glen E Schmidt; John A. Underwood; Mark J Green; Thomas G. Cocklin; Bruce Cowger; Norman E. Pawlowski; John A. Barinaga; Charles R. Steinmetz; Curt G. Gonzales; John F. Wilson


Archive | 1997

Ink jet printing system with pen alignment and method

John A. Underwood; Mark D. Lund


Archive | 2001

Automated ink-jet printhead alignment system

Braulio Soto; Charles Woodruff; Dan Arquilevich; John A. Underwood; Rick M. Tanaka; Brent A Geske


Archive | 1995

Media sheet pick and feed system

John A. Underwood


Archive | 2001

Test pattern implementation for ink-jet printhead alignment

Dan Arquilevich; John A. Underwood; Braulio Soto; Charles Woodruff


Archive | 1989

Sheet alignment using reverse advance roll and stationary pick roll

John A. Underwood; Anthony W. Ebersole; Todd R. Medin


Archive | 1996

Inkjet printer with off-axis ink supply

Norman E. Pawlowski; S. Dana Seccombe; Mark Hauck; John A. Barinaga; James M. Cameron; John A. Underwood


Archive | 1996

Keying system for ink supply containers

Susan M. Hmelar; David O. Merrill; Glen E Schmidt; John A. Underwood; Mark J Green; Thomas G. Cocklin

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