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Gebelein, George Christian, U.S. Patent for a Design for a Door Knocker
r2WPadmin
2018-08-09T16:08:42+00:00
George Christian Gebelein, U.S. Patent for a Design for a Door Knocker
14-Jul-14
George Christian Gebelein, U.S. patent for a design for a door knocker, July 14, 1914.