Patents by Inventor Oscar Sam Gray

Oscar Sam Gray 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: 3940885
    Abstract: Seeds are subjected to microwave energy and a coolant gas, then subjected to a partial vacuum to stimulate growth and stabilize such stimulation. Seeds so treated have superior growth characteristics and are more resistant to disease and weather hazards. Apparatus for effecting this process is also disclosed.
    Type: Grant
    Filed: January 21, 1975
    Date of Patent: March 2, 1976
    Inventor: Oscar Sam Gray