Patents by Inventor Ronald J. Bisson

Ronald J. Bisson 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).

  • Tread and riser stair gauge
    Patent number: D305873
    Type: Grant
    Filed: February 10, 1986
    Date of Patent: February 6, 1990
    Inventor: Ronald J. Bisson