TREA

A.R. Tech & Tool, Inc.

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for forming a container ring
    • Patent number 5,419,032
    • Issue date May 30, 1995
    • A.R. Tech & Tool, Inc.
    • Andrew Rytych
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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