DH

David J. Halko

HP HP: 8 patents #473 of 7,018Top 7%
Overall (All Time): #660,237 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
RE39700 Ink additives for improved ink-jet performance 2007-06-26
6221142 Superior waterfastness and bleed control with specifically treated pigments for ink-jet printing Patricia Wang, Ronald J. Gambale, Robert M. Amici 2001-04-24
6102521 Treatment of an orifice plate with self-assembled monolayers Barbara Tomlonovic Halko 2000-08-15
5788753 Polyamines complexed to anionic dyes, thereby forming water-soluble cationic dyes Norman E. Pawlowski, Jr., Joseph W. Tsang, Kimberly L. Hockaday Dahm 1998-08-04
5598193 Treatment of an orifice plate with self-assembled monolayers Barbara Tomlonovic Halko 1997-01-28
5363130 Method of valving and orientation sensitive valve including a liquid for controlling flow of gas into a container Bruce Cowger, John M. Altendorf, Marc A. Baldwin 1994-11-08
5062892 Ink additives for improved ink-jet performance 1991-11-05
5062893 Ink formulations by mixing anionic waterfast dyes containing two or more carboxyl groups Raymond Adamic, Palitha Wickramanayake, Suraj L. Hindagolla, Garold E. Radke 1991-11-05