TREA

Efim Rubinshtein

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  • Brooklyn, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Guard plate and alarm
    • Patent number 4,541,260
    • Issue date Sep 17, 1985
    • Edward Rubinstein
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Guard plate
    • Patent number 4,365,491
    • Issue date Dec 28, 1982
    • Edward Rubinstein
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Method and device for stamping ball retainers
    • Patent number 4,194,277
    • Issue date Mar 25, 1980
    • Efim Rubinshtein
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...