Patents by Inventor Lars Frostad

Lars Frostad has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Portable power driven band saw
    Patent number: 4001937
    Abstract: An improved portable band saw having a unitary, rigid frame or housing, a novel blade tensioning mechanism, an improved drive arrangement for delivering power to the saw, and a more efficient and economical blade guide arrangement.
    Type: Grant
    Filed: April 28, 1975
    Date of Patent: January 11, 1977
    Assignee: Rockwell International Corporation
    Inventors: Charles R. Stelljes, Lars Frostad
  • Portable band saw
    Patent number: D248085
    Type: Grant
    Filed: August 29, 1975
    Date of Patent: June 6, 1978
    Assignee: Rockwell International Corporation
    Inventors: Charles R. Stelljes, Lars Frostad, Richard H. Chapman