Patents by Inventor Stoy A. Hedges

Stoy A. Hedges 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).

  • Biological vacuum device to enhance environmental quality
    Patent number: 5806238
    Abstract: A vacuum device having a hand-held intake and collection unit and a hand-held heater/air exhaust tube assembly is used to chase and collect pests, such as insects, and their associated allergens from their harborages. The device has a system of filter assemblies which remove contaminants from the air and exhausts clean air back into the surrounding environment.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: September 15, 1998
    Assignee: The United States of America as represented by the Secretary of the Agriculture
    Inventors: Richard J. Brenner, David E. Milne, Stoy A. Hedges