Patent for Diver's Mask
Description:
Patent for Diver's Mask that has a water-tight contact with the wearer's face. This mask allows for an inlet and outlet for air and eliminates the need for an ordinary diver's helmet and suit.
Date:
December 9, 1919
Creator:
Runyan, Benjamin F.
Item Type:
Refine your search to only
Patent
Partner:
UNT Libraries Government Documents Department