Patents by Inventor Perry Rosenstein

Perry Rosenstein 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).

  • Inch-metric screw thread gauge
    Patent number: D471826
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: March 18, 2003
    Inventor: Perry Rosenstein
  • Inch-metric screw gauge
    Patent number: D366843
    Type: Grant
    Filed: April 26, 1995
    Date of Patent: February 6, 1996
    Inventor: Perry Rosenstein