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Patrick A. Fredrickson

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  • DePere, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self-filling graduated cylinder system
    • Patent number 10,488,244
    • Issue date Nov 26, 2019
    • Cleaning Systems, Inc.
    • David R. Krause
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Self-filling graduated cylinder system
    • Patent number 10,151,614
    • Issue date Dec 11, 2018
    • Cleaning Systems, Inc.
    • David R. Krause
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents