for mines or depth charges

Patents Grantslast 30 patents

  • Information Patent Grant

    3221701

    • Patent number 3,221,701
    • Issue date Dec 7, 1965
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    2197129

    • Patent number 2,197,129
    • Issue date Apr 16, 1940
    • F42 - AMMUNITION BLASTING