James R. Roberts

Person

  • Grayslake, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for agitating and pumping a liquid slurry

    • Patent number 4,572,675
    • Issue date Feb 25, 1986
    • A. O. Smith Harvestoe Products, Inc.
    • James R. Roberts
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pump position retainer apparatus

    • Patent number 4,511,257
    • Issue date Apr 16, 1985
    • A. O. Smith Harvestore Products, Inc.
    • James R. Roberts
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL