Alpha N. Doan

Person

San Diego, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dust tolerant windowless scanner
- Patent number 7,280,256
- Issue date Oct 9, 2007
- Hewlett-Packard Development Company, L.P.
- Craig A. Maurer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dust tolerant windowless scanner
- Patent number 6,657,751
- Issue date Dec 2, 2003
- Hewlett-Packard Development Company, L.P.
- Craig A. Maurer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated chassis for automatic document feeder in a scanning unit
- Patent number 6,433,897
- Issue date Aug 13, 2002
- Hewlett-Packard Company
- Darren W. Wilcox
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Integrated chassis for automatic document feeder in a scanning unit
- Patent number 6,151,140
- Issue date Nov 21, 2000
- Hewlett-Packard Company
- Darren W. Wilcox
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Integrated chassis for automatic document feeder in a scanning unit
- Patent number 5,764,384
- Issue date Jun 9, 1998
- Hewlett-Packard Company
- Darren W. Wilcox
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet painter having staggered nozzle array for color printing
- Patent number 5,742,304
- Issue date Apr 21, 1998
- Hewlett-Packard Company
- Brent W. Richtsmeier
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Ink drop placement for improved imaging
- Patent number 5,583,550
- Issue date Dec 10, 1996
- Hewlett-Packard Company
- Mark S. Hickman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Scanning unit with independent spring-loaded document control compo...
- Patent number 5,547,179
- Issue date Aug 20, 1996
- Hewlett-Packard Company
- Darren W. Wilcox
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Staggered pens in color thermal ink-jet printer
- Patent number 5,376,958
- Issue date Dec 27, 1994
- Hewlett-Packard Company
- Brent W. Richtsmeier
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Interlace printing process
- Patent number 4,967,203
- Issue date Oct 30, 1990
- Hewlett-Packard Company
- Alpha N. Doan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Retractable pin sheet feed mechanism
- Patent number 4,865,478
- Issue date Sep 12, 1989
- Hewlett-Packard Company
- Lawrence W. Chan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Dust tolerant windowless scanner
- Publication number 20040017592
- Publication date Jan 29, 2004
- Craig A. Maurer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INK JET PRINTER HAVING STAGGERED NOZZLE ARRAY FOR COLOR PRINTING
- Publication number 20020001013
- Publication date Jan 3, 2002
- HEWLETT-PACKARD COMPANY
- BRENT W. RICHTSMEIER
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Alpha N. Doan

Person

Patents Grantslast 30 patents

Dust tolerant windowless scanner

Dust tolerant windowless scanner

Integrated chassis for automatic document feeder in a scanning unit

Integrated chassis for automatic document feeder in a scanning unit

Integrated chassis for automatic document feeder in a scanning unit

Ink jet painter having staggered nozzle array for color printing

Ink drop placement for improved imaging

Scanning unit with independent spring-loaded document control compo...

Staggered pens in color thermal ink-jet printer

Interlace printing process

Retractable pin sheet feed mechanism

Patents Applicationslast 30 patents

Dust tolerant windowless scanner

INK JET PRINTER HAVING STAGGERED NOZZLE ARRAY FOR COLOR PRINTING