Patents by Inventor Olof F. Backstrom

Olof F. Backstrom 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).

  • Pruning-shears
    Patent number: D248534
    Type: Grant
    Filed: April 6, 1976
    Date of Patent: July 18, 1978
    Inventors: Olof F. Backstrom, Erkki O. Linden
  • Thread nipper
    Patent number: D250629
    Type: Grant
    Filed: January 31, 1977
    Date of Patent: December 26, 1978
    Assignee: Oy Fiskars AB
    Inventors: Olof F. Backstrom, Erkki O. Linden
  • Hairdresser's scissors
    Patent number: D254420
    Type: Grant
    Filed: June 7, 1977
    Date of Patent: March 11, 1980
    Assignee: Oy Fiskars AB
    Inventor: Olof F. Backstrom
  • Nail scissors
    Patent number: D254421
    Type: Grant
    Filed: June 7, 1977
    Date of Patent: March 11, 1980
    Assignee: Oy Fiskars AB
    Inventor: Olof F. Backstrom
  • Pinking shears
    Patent number: D258042
    Type: Grant
    Filed: August 25, 1978
    Date of Patent: January 27, 1981
    Assignee: Oy Fiskars AB
    Inventor: Olof F. Backstrom
  • Nail scissors
    Patent number: D258714
    Type: Grant
    Filed: July 6, 1977
    Date of Patent: March 31, 1981
    Assignee: Oy. Fiskars AB
    Inventor: Olof F. Backstrom
  • Scissors
    Patent number: D272227
    Type: Grant
    Filed: February 2, 1981
    Date of Patent: January 17, 1984
    Assignee: Oy Fiskars AB
    Inventors: Erkki O. Linden, Olof F. Backstrom