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Primary view of Caustic-Soda Process.
Hirt, Jules Hector
September 7, 1915
Primary view of Car-Coupling.
Schairer, John Jacob
September 18, 1894
Primary view of Cigarette Package.
Sohn, Elmer L.
September 5, 1922
Primary view of Valve and Valve-Seat.
Bevelle, Joseph C. & Smith, Joseph J.
September 20, 1921
Primary view of Piston Packing
Williams, Nolan S.
September 27, 1921
Primary view of Aeroplane
Canion, William G.
September 29, 1914
Primary view of Apparatus for Utilizing Hot Slag for Heating Purposes
Wells, James L.
September 11, 1900
Primary view of Air-Lock for Mines and Tunnels
Durack, Partick H.
September 8, 1908
Primary view of Aparatus for Cleaning Lechuguilla, Henequen, and Analogous Fibrous Plants.
Aguilar, Alfonso
September 3, 1918
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