Patents by Inventor Brian E. Ellerbrock

Brian E. Ellerbrock 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).

  • Hand tool attachment
    Patent number: 5511912
    Abstract: An attachment for a hand tool for converting rotary motion to reciprocating motion to an air bathed tool holding chuck.
    Type: Grant
    Filed: September 19, 1994
    Date of Patent: April 30, 1996
    Inventor: Brian E. Ellerbrock