Patents by Inventor David E. Brookhart

David E. Brookhart 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).

  • Tool for closing and clearing the tip of caulking tube
    Patent number: 4669635
    Abstract: A tool for closing and clearing the tip of a caulking tube includes a shaft, barbs on the shaft and a blade guide and hardened caulk cutting groove extending along the shaft.
    Type: Grant
    Filed: October 24, 1985
    Date of Patent: June 2, 1987
    Inventor: David E. Brookhart