Patents by Inventor Donald C. Fish

Donald C. Fish 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: 4126907
    Abstract: An innovative device for the locating and recovery of submerged articles. This device consists of a plastic container and a buoy that is automatically released after being submerged in water. A stout line attached to the buoy and the module container which in turn is securely attached to the article for purpose of recovery. The module is designed to equalize submerged water pressures. This device is primarily, but restricted to recovery of submerged articles weighing under 20 pounds and in water in depths of up to 50 feet.
    Type: Grant
    Filed: June 10, 1977
    Date of Patent: November 28, 1978
    Inventor: Donald C. Fish