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Life-Preserver

Description: Patent for Life-Preserver. Can be used in any emergency situation but mostly in the water.
Date: February 29, 1916
Creator: Carlson, Carl O.
Partner: UNT Libraries Government Documents Department

Diving-Armor.

Description: Patent for "certain new and useful Improvements in Diving-Armor" (lines 5-6) relating to protection from high pressure, enabling arm and hand movements, an outside air supply, and an oxygen tank. Includes illustrations.
Date: June 3, 1919
Creator: Long, James F.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department
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