Patents by Inventor Donald P. Springer

Donald P. Springer 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: 5421230
    Abstract: Method and apparatus for removing windshields, particularly laminated windshields, from motor vehicles during emergency rescue operations comprise an apparatus with a blade, a blade driver for reciprocating the blade, and a portable power source for the blade driver. The blade driver is selectively operated to reciprocate the blade, which breaks and pulverizes the glass and breaks the plastic lamination of the windshield along a predetermined path to circumscribe a portion of the windshield that is to be removed.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: June 6, 1995
    Assignee: Eliminator Industries
    Inventors: John S. Flaherty, Donald P. Springer