Patents by Inventor Frederick Brack

Frederick Brack 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).

  • Reversible dual windshield wiper
    Patent number: 4296522
    Abstract: A reversible dual windshield wiper having a blade holder with a flexible wiping blade mounted on each side thereof. One or more retaining clips are mounted to a wiper arm to accept and hold the blade holder with either wiping blade in the active position. Stops are also provided to prevent the wiper from moving longitudinally with respect to the arm.
    Type: Grant
    Filed: June 20, 1979
    Date of Patent: October 27, 1981
    Inventor: Frederick Brack