Patents by Inventor Erkki O. Linden

Erkki O. Linden 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).

  • Device for sharpening of scissors
    Patent number: 4258592
    Abstract: Device for sharpening of scissors, consisting of a disk-shaped body (1) provided with two lengthy openings (2,3) for the scissor blades (8). The openings are on one long side and on one short side limited by sharpening means (4,5) consisting of round pins. The openings (2,3) are positioned so in relation to each other that the active faces of the sharpening means (4) on the long sides, which act upon the inside of the cutting edges, are in line with each other.
    Type: Grant
    Filed: May 25, 1979
    Date of Patent: March 31, 1981
    Assignee: OY. Fiskars AB
    Inventor: Erkki O. Linden
  • 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
  • Scissors
    Patent number: D266308
    Type: Grant
    Filed: February 29, 1980
    Date of Patent: September 28, 1982
    Assignee: Oy Fiskars AB
    Inventor: Erkki O. Linden
  • Scissors
    Patent number: D266309
    Type: Grant
    Filed: February 29, 1980
    Date of Patent: September 28, 1982
    Assignee: Oy Fiskars AB
    Inventor: Erkki O. Linden
  • Scissors
    Patent number: D267309
    Type: Grant
    Filed: February 29, 1980
    Date of Patent: December 21, 1982
    Assignee: Oy. Fiskars Ab
    Inventor: Erkki O. Linden
  • Scissors
    Patent number: D267773
    Type: Grant
    Filed: February 29, 1980
    Date of Patent: February 1, 1983
    Assignee: Oy. Fiskars AB
    Inventor: Erkki O. Linden
  • 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
  • Scissors
    Patent number: D272228
    Type: Grant
    Filed: February 4, 1981
    Date of Patent: January 17, 1984
    Assignee: Oy Fiskars AB
    Inventor: Erkki O. Linden