David W. Dorheim

Person

  • Baltimore, MD, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Convertible portable electric tool

    • Patent number 3,959,878
    • Issue date Jun 1, 1976
    • McGraw-Edison Company
    • Edward A. Irelan
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING