Patents by Inventor David E. Wasserstrom

David E. Wasserstrom 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 barrier
    Patent number: 5988934
    Abstract: A road barrier, which may be the portable type having a hollow body. The road barrier is adapted to be connected to one or more other barriers having the same or similar construction to form a continuous barrier wall of a desired length.
    Type: Grant
    Filed: October 19, 1998
    Date of Patent: November 23, 1999
    Assignee: Traffic Safety Devices Corporation
    Inventor: David E. Wasserstrom
  • Reinforcement system for highway barriers
    Patent number: 5531540
    Abstract: A reinforcement system for highway barriers comprising a frame structure mounted on the surface of an associated highway barrier and force distributing members that are adapted to distribute forces along a horizontal direction upon impact of a vehicle into the associated highway barrier so as to lessen the degree of force applied to the highway barrier and to thus provide additional strength to the associated highway barrier.
    Type: Grant
    Filed: January 13, 1995
    Date of Patent: July 2, 1996
    Assignee: Yew Corporation
    Inventors: David E. Wasserstrom, Stuart S. Ostroff
  • Highway barrier
    Patent number: D431657
    Type: Grant
    Filed: November 18, 1999
    Date of Patent: October 3, 2000
    Assignee: Traffic Safety Devices Incorporated
    Inventor: David E. Wasserstrom