TREA

David Shenk

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  • Rockford, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotating spray nozzle
    • Patent number 5,497,799
    • Issue date Mar 12, 1996
    • Envirovac, Inc.
    • David R. Shenk
    • B08 - CLEANING
  • Information Patent Grant

    Solenoid actuated valve
    • Patent number 5,464,191
    • Issue date Nov 7, 1995
    • Envirovac, Inc.
    • David Shenk
    • B64 - AIRCRAFT AVIATION COSMONAUTICS