Virgil J. Hull

Person

Fairport, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Adaptive pixel management using object type identification
- Patent number 6,753,976
- Issue date Jun 22, 2004
- Xerox Corporation
- Peter A. Torpey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reduction of intercolor or bleeding in liquid ink printing
- Patent number 6,361,144
- Issue date Mar 26, 2002
- Xerox Corporation
- Peter A. Torpey
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Identification of interfaces between black and color regions
- Patent number 6,343,847
- Issue date Feb 5, 2002
- Xerox Corporation
- Peter A. Torpey
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for improved bi-directional error for multicol...
- Patent number 6,305,781
- Issue date Oct 23, 2001
- Xerox Corporation
- Virgil Joseph Hull
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Maintaining black edge quality in liquid ink printing
- Patent number 6,290,330
- Issue date Sep 18, 2001
- Xerox Corporation
- Peter A. Torpey
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reduction of intercolor bleeding in liquid ink printing
- Patent number 6,270,186
- Issue date Aug 7, 2001
- Xerox Corporation
- Glenn K. Smith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Maintaining black edge quality in liquid ink printing
- Patent number 6,183,062
- Issue date Feb 6, 2001
- Xerox Corporation
- Christopher R. Curtis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color liquid crystal display with dead front appearance having opaq...
- Patent number 5,307,188
- Issue date Apr 26, 1994
- Xerox Corporation
- Richard B. Dingwall
- G02 - OPTICS
Information Patent Grant
Method of making color liquid crystal display with dead front appea...
- Patent number 5,220,442
- Issue date Jun 15, 1993
- Xerox Corporation
- Richard B. Dingwall
- G02 - OPTICS
Information Patent Grant
Control of liquid crystal devices
- Patent number 5,177,475
- Issue date Jan 5, 1993
- Xerox Corporation
- Joseph F. Stephany
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Ferrolectric liquid crystal devices having improved operating prope...
- Patent number 5,111,320
- Issue date May 5, 1992
- Xerox Corporation
- Joseph J. Wysocki
- G02 - OPTICS
Information Patent Grant
Liquid crystal print bar having a single backplane electrode
- Patent number 4,830,468
- Issue date May 16, 1989
- Xerox Corporation
- Joseph F. Stephany
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Liquid crystal print bar
- Patent number 4,783,146
- Issue date Nov 8, 1988
- Xerox Corporation
- Joseph F. Stephany
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multiplexing of transient image bar
- Patent number 4,728,972
- Issue date Mar 1, 1988
- Xerox Corporation
- Joseph F. Stephany
- G06 - COMPUTING CALCULATING COUNTING

Virgil J. Hull

Person

Patents Grantslast 30 patents

Adaptive pixel management using object type identification

Reduction of intercolor or bleeding in liquid ink printing

Identification of interfaces between black and color regions

Method and apparatus for improved bi-directional error for multicol...

Maintaining black edge quality in liquid ink printing

Reduction of intercolor bleeding in liquid ink printing

Maintaining black edge quality in liquid ink printing

Color liquid crystal display with dead front appearance having opaq...

Method of making color liquid crystal display with dead front appea...

Control of liquid crystal devices

Ferrolectric liquid crystal devices having improved operating prope...

Liquid crystal print bar having a single backplane electrode

Liquid crystal print bar

Multiplexing of transient image bar