John D. Clark

Person

  • Winston-Salem, NC, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Steering sulky for two-wheel tractors

    • Patent number 4,192,525
    • Issue date Mar 11, 1980
    • Clarke-Gravely Corporation
    • John D. Clark
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS