Tommy J. Derrington

Person

  • Denton, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydrocyclone having dewatering tube

    • Patent number 4,786,412
    • Issue date Nov 22, 1988
    • Eagle-Picher Industries, Inc.
    • Roy D. Lister
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Method for removing gun barrel evacuator

    • Patent number 4,554,722
    • Issue date Nov 26, 1985
    • Eagle-Picher industries, Inc.
    • Tommy J. Derrington
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS