Patents by Inventor Charles H. Dickson, Sr.

Charles H. Dickson, Sr. 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).

  • Diver's suit excess gas exhaust valve
    Patent number: 4229832
    Abstract: A valve for controlling venting of excess gas from a diving suit includes a alve body housing first and second rubber check valves arranged in series. A control knob is rotatable on the valve body to selectively open or close outlet ports for venting gas from between the check valves and to actuate a member to selectively either hold the first check valve closed or to allow it function.
    Type: Grant
    Filed: May 21, 1979
    Date of Patent: October 28, 1980
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Charles H. Dickson, Sr.