Patents by Inventor William D. Hassett

William D. Hassett 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).

  • Highway toll booth
    Patent number: D353677
    Type: Grant
    Filed: September 10, 1992
    Date of Patent: December 20, 1994
    Assignee: Hassett Management & Marketing Corp.
    Inventor: William D. Hassett
  • Composite highway toll booth
    Patent number: D354815
    Type: Grant
    Filed: September 10, 1992
    Date of Patent: January 24, 1995
    Assignee: Hassett Management and Marketing Corp.
    Inventor: William D. Hassett