Patents by Inventor Richard A. Knutson

Richard A. Knutson 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).

  • Patent number: 4401651
    Abstract: Admixtures of (a) an antifungal/antibacterial agent, such as povidone-iodine, (b) sugar and (c) suitable carrier are substantially non-allergenic, have excellent healing properties when applied to burns or open wounds and serve as an effective barrier to the growth of healing tissue into gauze or similar dressing.
    Type: Grant
    Filed: July 22, 1980
    Date of Patent: August 30, 1983
    Inventor: Richard A. Knutson
  • Patent number: 4187841
    Abstract: A surgical tool which may be utilized either for compression or distraction of a fractured bone. The tool includes a threaded shaft having a pair of cap members secured to each end thereof. Projecting from one of the cap members is a short pin which is preferably angled either towards or away from the other cap member. An internally threaded sleeve is mounted on the shaft between the cap members and includes a knob having a knurled outer surface for permitting the sleeve to be manually adjusted in either direction along the threaded shaft. Another pin-supporting member is removably mounted about the sleeve and has another short pin projecting from one surface thereof. The two pins are positioned within pre-drilled holes on each side of a fractured bone that is to be compressed or distracted.
    Type: Grant
    Filed: July 7, 1978
    Date of Patent: February 12, 1980
    Inventor: Richard A. Knutson