Patents by Inventor Richard T. Tosaw

Richard T. Tosaw 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).

  • Combined stool and periscope
    Patent number: D245954
    Type: Grant
    Filed: May 28, 1976
    Date of Patent: October 4, 1977
    Inventor: Richard T. Tosaw
  • Collapsible periscope
    Patent number: D256250
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: August 5, 1980
    Inventor: Richard T. Tosaw