TREA

Nat Levenberg

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  • Lynbrook, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal forming methods and products formed thereby
    • Patent number 4,852,379
    • Issue date Aug 1, 1989
    • Nat Levenberg
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Stationery rack construction
    • Patent number 4,630,739
    • Issue date Dec 23, 1986
    • Jefsteel Business Equipment Corp.
    • Nat Levenberg
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER