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Richard W. Kritzer

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making heat exchangers
    • Patent number 4,360,958
    • Issue date Nov 30, 1982
    • Richard W. Kritzer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of making heat exchangers
    • Patent number 4,349,949
    • Issue date Sep 21, 1982
    • Richard W. Kritzer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Heat exchangers and method of making same
    • Patent number 4,337,826
    • Issue date Jul 6, 1982
    • Peerless of America, Inc.
    • Richard W. Kritzer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Making heat exchangers
    • Patent number 4,332,069
    • Issue date Jun 1, 1982
    • Richard W. Kritzer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of making heat exchangers
    • Patent number 4,330,913
    • Issue date May 25, 1982
    • Richard W. Kritzer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...