Title:
Marking means
United States Patent 1814312


Inventors:
Heene, George W.
Application Number:
US24696128A
Publication Date:
07/14/1931
Filing Date:
01/16/1928
Assignee:
Heene, George W.
Primary Class:
Other Classes:
101/35, 101/DIG.40, 400/128, 400/134
International Classes:
A63B45/02; B41F17/30
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