TREA

Walter Esmond Bruce

Follow

Person

  • Sheffield, EN
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Manufacture of agricultural discs
    • Patent number 3,959,863
    • Issue date Jun 1, 1976
    • Walter Esmond Bruce
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...