Benjamin D. Oldfield

Person

  • Cheadle, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Phasing device for machine applications

    • Patent number 4,601,266
    • Issue date Jul 22, 1986
    • Renold PLC
    • Benjamin D. Oldfield
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES