David A. Phipps

Person

  • Southport, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Treatment of trees and bushes

    • Patent number 4,655,001
    • Issue date Apr 7, 1987
    • Pilkington Brothers P.L.C.
    • Nicholas W. Lepp
    • C05 - FERTILISERS MANUFACTURE THEREOF