TREA

Benjamin T. Bernstein

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  • Northfield, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Knife sharpener
    • Patent number 4,528,777
    • Issue date Jul 16, 1985
    • Ben Bernstein & Associates
    • Benjamin T. Bernstein
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Modularized Cardan sewing machine
    • Patent number 4,516,512
    • Issue date May 14, 1985
    • Union Special Corporation
    • Benjamin T. Bernstein
    • D05 - SEWING EMBROIDERING TUFTING
  • Information Patent Grant

    Auxiliary feed mechanism for sewing machines
    • Patent number 4,248,170
    • Issue date Feb 3, 1981
    • Union Special Corporation
    • Maximilian Adamski
    • D05 - SEWING EMBROIDERING TUFTING
  • Information Patent Grant

    Fabric panel discontinuity sensor
    • Patent number 4,038,931
    • Issue date Aug 2, 1977
    • Union Special Corporation
    • Robert Leslie Kosrow
    • D05 - SEWING EMBROIDERING TUFTING