P

Inventor

WILLIAMS RICHARD A

US83 patents
⚠️ This page may combine multiple inventors who share the name “WILLIAMS RICHARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PRESSTEK INC

19 patents
US5385092AJan 31, 1995

Laser-driven method and apparatus for lithographic imaging

PRESSTEK INC115 citations99
US5351617AOct 4, 1994

Method for laser-discharge imaging a printing plate

PRESSTEK INC192 citations99
US5148746ASep 22, 1992

Print-head and plate-cleaning assembly

PRESSTEK INC138 citations96
US5062364ANov 5, 1991

Plasma-jet imaging method

PRESSTEK INC65 citations96
US4911075AMar 27, 1990

Lithographic plates made by spark discharges

PRESSTEK INC52 citations96
US6024019AFeb 15, 2000

Lithographic printing system with reusable support surfaces and lithographic constructions for use therewith

PRESSTEK INC25 citations93
US5440987AAug 15, 1995

Laser imaged seamless lithographic printing members and method of making

PRESSTEK INC30 citations93
US5237923AAug 24, 1993

Apparatus and method for imaging lithographic printing plates using spark discharges

PRESSTEK INC24 citations92
US5182990AFeb 2, 1993

Method of reducing printing artifacts

PRESSTEK INC30 citations92
US4936211AJun 26, 1990

Multicolor offset press with segmental impression cylinder gear

PRESSTEK INC50 citations92
US5764274AJun 9, 1998

Apparatus for laser-discharge imaging and focusing elements for use therewith

PRESSTEK INC23 citations91
US6539859B2Apr 1, 2003

Multicolor printing press

PRESSTEK INC15 citations84
US5812179ASep 22, 1998

Apparatus for laser-discharge imaging including beam-guiding assemblies

PRESSTEK INC17 citations84
US5996496ADec 7, 1999

Laser-imageable lithographic printing members

PRESSTEK INC16 citations82
US5551341ASep 3, 1996

Lithographic printing plates for use with laser discharge imaging apparatus

PRESSTEK INC12 citations82
US5540150AJul 30, 1996

Laser-driven method and apparatus for lithographic imaging and printing plates for use therewith

PRESSTEK INC14 citations82
US6026747AFeb 22, 2000

Automatic plate-loading cylinder for multiple printing members

PRESSTEK INC17 citations81
US6095049AAug 1, 2000

Laser-driven method and apparatus for lithographic imaging and printing plates for use therewith

PRESSTEK INC8 citations74
US5870955AFeb 16, 1999

Lithographic printing system with reusable support surfaces and lithographic constructions for use therewith

PRESSTEK INC11 citations74

JOHNSON S C COMM MARKETS INC

5 patents

XEROX CORP

3 patents

GEN FOODS CORP

2 patents

MATRIX MASTER INC

2 patents

ECONOMICS IN TECHNOLOGY

2 patents

(unassigned)

1 patent

CENTRONICS DATA COMPUTER

1 patent

BRITISH NUCLEAR FUELS PLC

1 patent

LORAL SPACE SYSTEMS INC

1 patent

DIGITAL EQUIPMENT CORP

1 patent

KLINE JOHN F

1 patent

PRESST INC

1 patent

BABCOCK IND INC

1 patent

JOHNSON DIVERSEY INC

1 patent

BARRICK GOLD CORP

1 patent

AMERICAN TELEPHONE & TELEGRAPH

1 patent

BASIC AMERICAN INC

1 patent

FASTENERS FOR RETAIL INC

1 patent

SLOSS CLAYTON A

1 patent

L D KICHLER CO

1 patent

PROGRESSIVE POWER EQUIPMENT LL

1 patent

POWER SPECTRA INC

1 patent

Showing the top 50 of 83 patents by PatentIndex Score.