TREA

Edward G. Choby Jr.

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  • Pittsburgh, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of soldering with phosphoric acid soldering flux
    • Patent number 4,060,191
    • Issue date Nov 29, 1977
    • Allegheny Ludlum Industries, Inc.
    • Edward G. Choby
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of soldering with phosphoric acid soldering flux
    • Patent number 4,059,218
    • Issue date Nov 22, 1977
    • Allegheny Ludlum Industries, Inc.
    • Edward G. Choby
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Phosphoric acid soldering flux
    • Patent number 3,985,587
    • Issue date Oct 12, 1976
    • Allegheny Ludlum Industries, Inc.
    • Edward G. Choby
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Phosphoric acid soldering flux
    • Patent number 3,985,586
    • Issue date Oct 12, 1976
    • Allegheny Ludlum Industries, Inc.
    • Edward G. Choby
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR