Patents by Inventor Gary M. Sogorka

Gary M. Sogorka 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).

  • Proportional plotting device
    Patent number: D277365
    Type: Grant
    Filed: June 23, 1982
    Date of Patent: January 29, 1985
    Inventor: Gary M. Sogorka
  • Expansible proportional rule
    Patent number: D283986
    Type: Grant
    Filed: April 13, 1983
    Date of Patent: May 27, 1986
    Inventor: Gary M. Sogorka