Patents by Inventor Keith A. Parrott

Keith A. Parrott 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).

  • Methods of treating circadian rhythm phase disorders
    Patent number: 5707652
    Abstract: Methods for treating circadian rhythm disorders and sleep disorders are described. The method involves oral administration of a sustained release composition of melatonin to produce a normal melatonin pattern when the normal pattern has been disrupted or is missing.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: January 13, 1998
    Assignee: State of Oregon
    Inventors: Alfred J. Lewy, Robert L. Sack, Keith A. Parrott, James W. Ayres