TREA

Roy P. Crawford

Follow

Person

  • Saratoga, CA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydrodynamic pump
    • Patent number 5,328,270
    • Issue date Jul 12, 1994
    • International Business Machines Corporation
    • Roy P. Crawford
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dual bellows pump with drive circuit through bellows
    • Patent number 4,585,397
    • Issue date Apr 29, 1986
    • International Business Machines Corporation
    • Roy P. Crawford
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Automatic tape threading apparatus for magnetic tape transports
    • Patent number 4,334,656
    • Issue date Jun 15, 1982
    • International Business Machines Corporation
    • Roy P. Crawford
    • G11 - INFORMATION STORAGE