Robert H. Redfield

Person

  • Evanston, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Digital stroboscope-tachometer

    • Patent number 4,117,395
    • Issue date Sep 26, 1978
    • Power Instruments, Inc.
    • Robert H. Redfield
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS