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Sanitary Drinking-Cup.
Patent for a sanitary V-shaped drinking cup made out of suitable material (i.e., leather, rubber, paper, or paraffin cloth). It is collapsible to provide easy transport and storage and can be opened up by simply pressing on opposite sides.
Date:
March 30, 1915
Creator:
Willoughby, Alford Pervis
System:
The Portal to Texas History