TREA

John C. Schumacher

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  • Rancho Santa Fe, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chemical refill system
    • Patent number 4,979,643
    • Issue date Dec 25, 1990
    • Air Products and Chemicals, Inc.
    • Bruce A. Lipisko
    • C30 - CRYSTAL GROWTH
  • Information Patent Grant

    Chemical refill system
    • Patent number 4,859,375
    • Issue date Aug 22, 1989
    • Air Products and Chemicals, Inc.
    • Bruce A. Lipisko
    • C30 - CRYSTAL GROWTH