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John Leszczak

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  • Roselle Park, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Desk caddy
    • Patent number D317180
    • Issue date May 28, 1991
    • The Bates Manufacturing Company
    • John Leszczak
    • D19 - Office supplies
  • Information Patent Grant

    Swivel card file
    • Patent number D312661
    • Issue date Dec 4, 1990
    • The Bates Manufacturing Company
    • John Leszczak
    • D19 - Office supplies
  • Information Patent Grant

    Stapler
    • Patent number D292962
    • Issue date Dec 1, 1987
    • The Bates Manufacturing Company
    • John Leszczak
    • D08 - Tools and hardware