R. Fred Walters

Person

  • Rancho Santa Fe, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Green waste processor

    • Patent number 5,875,979
    • Issue date Mar 2, 1999
    • Drake R. Walters
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...