David J. Halko

Person

Corvallis, OR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Superior waterfastness and bleed control with specifically treated...
- Patent number 6,221,142
- Issue date Apr 24, 2001
- Hewlett-Packard Company
- Patricia A. Wang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Treatment of an orifice plate with self-assembled monolayers
- Patent number 6,102,521
- Issue date Aug 15, 2000
- Hewlett-Packard Company
- David J. Halko
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Polyamines complexed to anionic dyes, thereby forming water-soluble...
- Patent number 5,788,753
- Issue date Aug 4, 1998
- Hewlett-Packard Company
- Norman E. Pawlowski
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Treatment of an orifice plate with self-assembled monolayers
- Patent number 5,598,193
- Issue date Jan 28, 1997
- Hewlett-Packard Company
- David J. Halko
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of valving and orientation sensitive valve including a liqui...
- Patent number 5,363,130
- Issue date Nov 8, 1994
- Hewlett-Packard Company
- Bruce Cowger
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink formulations by mixing anionic waterfast dyes containing two or...
- Patent number 5,062,893
- Issue date Nov 5, 1991
- Hewlett-Packard Company
- Raymond J. Adamic
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink additives for improved ink-jet performance
- Patent number 5,062,892
- Issue date Nov 5, 1991
- Hewlett-Packard Company
- David J. Halko
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

David J. Halko

Person

Patents Grantslast 30 patents

Superior waterfastness and bleed control with specifically treated...

Treatment of an orifice plate with self-assembled monolayers

Polyamines complexed to anionic dyes, thereby forming water-soluble...

Treatment of an orifice plate with self-assembled monolayers

Method of valving and orientation sensitive valve including a liqui...

Ink formulations by mixing anionic waterfast dyes containing two or...

Ink additives for improved ink-jet performance