Patents by Inventor Don D. Watson

Don D. Watson 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).

  • Chuck key holder with locking pin
    Patent number: 4615653
    Abstract: A tool that contains a chuck key, and a locking pin. When the key is placed in one of the pilot holes of a chuck such as found on a hand drill, the locking pin is inserted into one of the two remaining pilot holes. This holds the key in a positive position with the chuck when being tightened.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: October 7, 1986
    Inventor: Don D. Watson