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David W. Ambrose

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  • Waukesha, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic spring crusher
    • Patent number 5,870,813
    • Issue date Feb 16, 1999
    • ANI America Inc.
    • David W. Ambrose
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Hydraulic spring crusher
    • Patent number 5,649,669
    • Issue date Jul 22, 1997
    • ANI America, Inc.
    • David W. Ambrose
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Power assist handle
    • Patent number 4,829,844
    • Issue date May 16, 1989
    • General Electric Company
    • Jonathan C. Boomgaarden
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE