Patents by Inventor John A. Wiesendanger

John A. Wiesendanger 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).

  • Variable speed drill control cam apparatus
    Patent number: 4998589
    Abstract: A drill control organization includes a cam member rotatably mounted within spaced support blocks, wherein a forward support block is mounted within a side surface of a handle and coextensively therewith. A dial plate is mounted to a forward support shaft of the cam, including an indicator handle to effect selective rotation of the cam to provide a selective abutment surface in cooperation with a rear surface of a speed control trigger of a drill organization.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: March 12, 1991
    Inventor: John A. Wiesendanger