Robert R. Schaffer

Person

  • Canaan, NH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Printing medium management apparatus

    • Patent number 5,751,303
    • Issue date May 12, 1998
    • LaserMaster Corporation
    • Paul R. Erickson
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    High air flow low pressure prefuser transport

    • Patent number 5,467,180
    • Issue date Nov 14, 1995
    • Xerox Corporation
    • Michael Malachowski
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Post-processing of colored hot melt ink images

    • Patent number 5,337,079
    • Issue date Aug 9, 1994
    • Spectra, Inc.
    • Charles W. Spehrley
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Bidirectional hot melt ink jet printing

    • Patent number 5,075,689
    • Issue date Dec 24, 1991
    • Spectra, Inc.
    • Paul A. Hoisington
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Remelting of printed hot melt ink images

    • Patent number 4,971,408
    • Issue date Nov 20, 1990
    • Spectra, Inc.
    • Paul A. Hoisington
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Ink jet array

    • Patent number 4,891,654
    • Issue date Jan 2, 1990
    • Spectra, Inc.
    • Paul A. Hoisington
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Hot melt ink transparency

    • Patent number 4,877,676
    • Issue date Oct 31, 1989
    • Spectra, Inc.
    • Linda T. Creagh
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Sheet transport

    • Patent number 4,849,795
    • Issue date Jul 18, 1989
    • Xerox Corporation
    • Charles W. Spehrley
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Ink jet array

    • Patent number 4,835,554
    • Issue date May 30, 1989
    • Spectra, Inc.
    • Paul A. Hoisington
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Method for preparing a hot melt ink transparency

    • Patent number 4,801,473
    • Issue date Jan 31, 1989
    • Spectra, Inc.
    • Linda T. Creagh
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Platen arrangement for hot melt ink jet apparatus

    • Patent number 4,751,528
    • Issue date Jun 14, 1988
    • Spectra, Inc.
    • Charles W. Spehrley
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS