Patents by Inventor Ronald E. Sperry

Ronald E. Sperry 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).

  • Patent number: 6332430
    Abstract: An aquarium accessory device which when installed within an aquarium substantially functions as an aesthetically pleasing blind for concealment of unsightly algae covered items. Such items may include typical water filters, heaters, etc.
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: December 25, 2001
    Inventors: Cathy D. Santa Cruz, Laura J. Sperry, Ronald E. Sperry