Patents by Inventor Martin E. Ismert III

Martin E. Ismert III 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).

  • Closet bolt and cover nut unit
    Patent number: D249227
    Type: Grant
    Filed: January 3, 1977
    Date of Patent: September 5, 1978
    Inventors: Martin E. Ismert III, Joseph P. Ismert
  • Closet bolt and nut unit
    Patent number: D255647
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: July 1, 1980
    Inventors: Martin E. Ismert, III, Joseph P. Ismert