Paul D. Keller

Follow

Person

Webster, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Simplex and duplex printing system using a reversible duplex path
- Patent number 5,730,535
- Issue date Mar 24, 1998
- Xerox Corporation
- Paul D. Keller
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Simplex and duplex printing system using a reversible duplex path
- Patent number 5,598,257
- Issue date Jan 28, 1997
- Xerox Corporation
- Paul D. Keller
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
High productivity dual engine simplex and duplex printing system us...
- Patent number 5,568,246
- Issue date Oct 22, 1996
- Xerox Corporation
- Paul D. Keller
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Disk stacker with intermittent corrugation assistance for small sheets
- Patent number 5,261,655
- Issue date Nov 16, 1993
- Xerox Corporation
- Paul D. Keller
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Disk stacker including trail edge transport belt for stacking short...
- Patent number 5,145,167
- Issue date Sep 8, 1992
- Xerox Corporation
- Thomas C. McGraw
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Multi-roll development system
- Patent number 4,537,494
- Issue date Aug 27, 1985
- Xerox Corporation
- Anthony R. Lubinsky
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY