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Richard Frystak

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  • Park Ridge, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Film number writing system
    • Patent number 4,984,008
    • Issue date Jan 8, 1991
    • Bell & Howell Company
    • Richard Frystak
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Dual mode document feeder
    • Patent number 4,960,273
    • Issue date Oct 2, 1990
    • Bell & Howell Company
    • Richard Frystak
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Date band indexing mechanism for endorser
    • Patent number 4,484,521
    • Issue date Nov 27, 1984
    • Bell & Howell Company
    • Richard Frystak
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Reversible ribbon drive
    • Patent number 4,448,364
    • Issue date May 15, 1984
    • Bell & Howell Company
    • Richard Frystak
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Document feeder apparatus
    • Patent number 4,049,257
    • Issue date Sep 20, 1977
    • Bell & Howell Company
    • Richard Frystak
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL