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Michael F. Bartenstein

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  • Proctor, VT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Machine for seaming together a lid and a container
    • Patent number 4,022,141
    • Issue date May 10, 1977
    • Vermont Marble Company
    • Michael F. Bartenstein
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tool pack for forming metallic containers
    • Patent number 3,943,740
    • Issue date Mar 16, 1976
    • Vermont Marble Company
    • Michael F. Bartenstein
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...