12/20/1909 Smith, Dyer to Dyer, Frank Lewis
(Roosevelt, Theodore; Taft, William Howard) National government (U.S.); Patents; Rolls and crushers
[D0939]  Document File Series -- 1909: (D-09-39) Patents
[D0939AAK; TAEM 194:208]
Courtesy of Thomas Edison National Historical Park.
no Images for this Document