TREA

Irving L. Berkowitz

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  • Binghamton, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Panel fastener system
    • Patent number 4,512,122
    • Issue date Apr 23, 1985
    • Kason Industries Inc.
    • Irving L. Berkowitz
    • E04 - BUILDING
  • Information Patent Grant

    Removable cylinder lock
    • Patent number 4,484,462
    • Issue date Nov 27, 1984
    • Kason Industries, Inc.
    • Irving L. Berkowitz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Safety closure system
    • Patent number 4,280,725
    • Issue date Jul 28, 1981
    • Kason Hardware Corporation
    • Irving L. Berkowitz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Hinge design
    • Patent number D255868
    • Issue date Jul 15, 1980
    • Kason Industries, Inc.
    • Irving L. Berkowitz
    • D08 - Tools and hardware
  • Information Patent Grant

    Safety closure system
    • Patent number 4,202,573
    • Issue date May 13, 1980
    • Kason Hardware Corporation
    • Irving L. Berkowitz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Convertible tube connecting system
    • Patent number 4,076,429
    • Issue date Feb 28, 1978
    • Kason Hardware Corporation
    • Irving L. Berkowitz
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Joining device for connecting tubes
    • Patent number 4,027,987
    • Issue date Jun 7, 1977
    • Kason Hardware Corporation
    • Irving L. Berkowitz
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Convertible tube connecting system
    • Patent number 4,023,913
    • Issue date May 17, 1977
    • Kason Hardware Corporation
    • Irving L. Berkowitz
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Joint connector for connecting tubes
    • Patent number 3,958,889
    • Issue date May 25, 1976
    • Kason Hardware Corporation
    • Irving L. Berkowitz
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ventilator
    • Patent number 3,952,542
    • Issue date Apr 27, 1976
    • Kason Hardware Corporation
    • Irving L. Berkowitz
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Inside safety release latch device
    • Patent number 3,936,086
    • Issue date Feb 3, 1976
    • Kason Hardware Corporation
    • Irving L. Berkowitz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES