TREA

Randy C. Keller

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  • Canton, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Double-document detection arrangement
    • Patent number 5,908,191
    • Issue date Jun 1, 1999
    • Unisys Corporation
    • Zhongtai Chen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Double-document detection arrangement
    • Patent number 5,671,919
    • Issue date Sep 30, 1997
    • Unisys Corporation
    • Zhongtai Chen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Document separation/detection technique
    • Patent number 5,509,648
    • Issue date Apr 23, 1996
    • Unisys Corporation
    • Zhongtai Chen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Separation process for a check processor
    • Patent number 5,439,506
    • Issue date Aug 8, 1995
    • Unisys Corporation
    • Zhongtai Chen
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Double-document detection systems
    • Patent number 5,437,375
    • Issue date Aug 1, 1995
    • Unisys Corporation
    • Zhongtai Chen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Double-document detection arrangement
    • Patent number 5,419,546
    • Issue date May 30, 1995
    • Unisys Corporation
    • Zhongtai Chen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL