Patents by Inventor William Weirsman

William Weirsman 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).

  • Patent number: D254372
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: March 4, 1980
    Assignee: Pitney Bowes Inc.
    Inventors: Hans J. Sinn, William A. Weirsman, George H. Woods
  • Patent number: D307653
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: May 1, 1990
    Assignee: Branson Ultrasonics Corporation
    Inventors: William Weirsman, Peter D. Spaine, Tomasz Migurski, George Rahgo
  • Patent number: D307654
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: May 1, 1990
    Assignee: Branson Ultrasonics Corporation
    Inventors: William Weirsman, Peter D. Spaine, Tomasz Migurski, George Rahgo