Patents by Inventor David D. Harding

David D. Harding 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 weight self defense spray
    Patent number: 5865348
    Abstract: A device for exercise and self-protection comprising a combination of hand-weights and a canister of pepper spray. The device includes a hollow handle with two openings, one for the thumb of a user and one for the spray from a canister of pepper spray inserted within the hollow handle. The device further includes threaded ends for accommodating a set of real or fake weights.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: February 2, 1999
    Assignee: David D. Harding
    Inventor: David D. Harding