Jeffrey L. Trask

Person

Boise, ID, US

People

Patents Grantslast 30 patents

Information Patent Grant
Printing device and method for switching between monochrome and col...
- Patent number 7,676,171
- Issue date Mar 9, 2010
- Hewlett-Packard Development Company, L.P.
- Richard L. Swantner
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Scanning system
- Patent number 7,061,514
- Issue date Jun 13, 2006
- Hewlett-Packard Development Company, L.P.
- Andrew LeVake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Trapping methods and arrangements for use in printing color images
- Patent number 6,549,303
- Issue date Apr 15, 2003
- Hewlett-Packard Company
- Jeffrey L. Trask
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System providing hybrid halftone
- Patent number 6,249,355
- Issue date Jun 19, 2001
- Hewlett-Packard Company
- Jeffrey L. Trask
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Imaging device and method for implementing a color map with K-only...
- Patent number 6,169,609
- Issue date Jan 2, 2001
- Hewlett-Packard Company
- Steve A. Jacob
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Self-indicating test page for use in setting density level and colo...
- Patent number 6,034,711
- Issue date Mar 7, 2000
- Hewlett-Packard Company
- Jeffrey L. Trask
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Resolution enhancement procedure and apparatus for a color laser pr...
- Patent number 5,898,505
- Issue date Apr 27, 1999
- Hewlett-Packard Company
- Qian Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Toner hopper lockout mechanism
- Patent number 5,802,435
- Issue date Sep 1, 1998
- Hewlett-Packard Company
- Jeffrey L. Trask
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Adjustment of dot size for laser imagers
- Patent number 5,793,406
- Issue date Aug 11, 1998
- Hewlett-Packard Company
- Jeffrey L. Trask
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Software-based procedure and apparatus for enhancement of a gray le...
- Patent number 5,754,751
- Issue date May 19, 1998
- Hewlett-Packard Company
- Marcus A. Smith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Corona charging apparatus
- Patent number 5,687,054
- Issue date Nov 11, 1997
- Konica Corporation
- Mikihiko Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Software-based procedure for conversion of a scalable font characte...
- Patent number 5,657,430
- Issue date Aug 12, 1997
- Hewlett-Packard Company
- Marcus A. Smith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Toner hopper lockout mechanism
- Patent number 5,610,692
- Issue date Mar 11, 1997
- Hewlett-Packard Company
- Jeffrey L. Trask
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color boundary enhancement in a multi-color electrostatic printer
- Patent number 5,252,995
- Issue date Oct 12, 1993
- Hewlett-Packard Company
- Jeffrey L. Trask
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High speed duplex printing mechanism having plural reversing pathways
- Patent number 5,196,897
- Issue date Mar 23, 1993
- Hewlett-Packard Company
- Jeffrey L. Trask
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Envelope/sheet feed mechanism
- Patent number 5,116,034
- Issue date May 26, 1992
- Hewlett-Packard Company
- Jeffrey L. Trask
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method for enhancing the uniformity and consistency of dot formatio...
- Patent number 4,999,646
- Issue date Mar 12, 1991
- Hewlett-Packard Company
- Jeffrey L. Trask
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Vibratory toner dispensing system
- Patent number 4,583,660
- Issue date Apr 22, 1986
- Hewlett-Packard Company
- Marcus A. La Barre
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
MACHINE LEARNING BASED TONE CONSISTENCY CALIBRATION DECISIONS
- Publication number 20140178084
- Publication date Jun 26, 2014
- Hewlett-Packard Development Company, L.P.
- Yan-Fu Kuo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Printing device and method
- Publication number 20080267655
- Publication date Oct 30, 2008
- Richard L. Swantner
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Scanning system
- Publication number 20050168559
- Publication date Aug 4, 2005
- Andrew LeVake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Jeffrey L. Trask

Person

Patents Grantslast 30 patents

Printing device and method for switching between monochrome and col...

Scanning system

Trapping methods and arrangements for use in printing color images

System providing hybrid halftone

Imaging device and method for implementing a color map with K-only...

Self-indicating test page for use in setting density level and colo...

Resolution enhancement procedure and apparatus for a color laser pr...

Toner hopper lockout mechanism

Adjustment of dot size for laser imagers

Software-based procedure and apparatus for enhancement of a gray le...

Corona charging apparatus

Software-based procedure for conversion of a scalable font characte...

Toner hopper lockout mechanism

Color boundary enhancement in a multi-color electrostatic printer

High speed duplex printing mechanism having plural reversing pathways

Envelope/sheet feed mechanism

Method for enhancing the uniformity and consistency of dot formatio...

Vibratory toner dispensing system

Patents Applicationslast 30 patents

MACHINE LEARNING BASED TONE CONSISTENCY CALIBRATION DECISIONS

Printing device and method

Scanning system