Sigfrid M. Olofsson

Person

  • Munkedal, SW

Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic rifle and hand gun

    • Patent number 4,038,961
    • Issue date Aug 2, 1977
    • Dahltron Corporation
    • Sigfrid M. Olofsson
    • F41 - WEAPONS