Patents by Inventor James B. Olson

James B. Olson 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).

  • Dosage device for syringes
    Patent number: D285344
    Type: Grant
    Filed: June 30, 1983
    Date of Patent: August 26, 1986
    Inventor: James B. Olson
  • Dosage device for syringes
    Patent number: D285722
    Type: Grant
    Filed: June 30, 1983
    Date of Patent: September 16, 1986
    Inventor: James B. Olson