Patents by Inventor Dan Colla

Dan Colla 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).

  • Adjustable angle snow shovel
    Patent number: 5829808
    Abstract: An adjustable handle for a shovel such as a snow shovel which has an arcuate slot which cooperates with a fastener on the handle to allow the handle to be adjusted from side to side. A reinforcement is secured to the back of the shovel and surrounds the arcuate slot.
    Type: Grant
    Filed: August 6, 1997
    Date of Patent: November 3, 1998
    Inventor: Dan Colla