Patents by Inventor Richard D. Glassman

Richard D. Glassman 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).

  • Cervical dilator
    Patent number: D265342
    Type: Grant
    Filed: July 18, 1980
    Date of Patent: July 6, 1982
    Inventor: Richard D. Glassman
  • Cervical dilator
    Patent number: D269206
    Type: Grant
    Filed: March 27, 1981
    Date of Patent: May 31, 1983
    Inventor: Richard D. Glassman