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Primary view of Mail-Bag-Delivering Apparatus.
Kost, Joseph L.
May 21, 1918
Primary view of Internal Combusion System
Clough, George G.
May 12, 1914
Primary view of Propellor Pitchometer.
Frank, Lawrence
May 18, 1915
Primary view of Moving Picture Machine
Yanch, Edwin R.
May 9, 1911
Primary view of Telegraph system
Edward, Claude M.
May 27, 1913
Primary view of Roll-Calendar.
Townsend, Isaac W.
May 28, 1918
Primary view of Bicycle
Franklin, Robert M.
May 17, 1910
Primary view of Rotary Engine
Bennison, Samuel
May 8, 1912
Primary view of Automatic Gun or Rifle.
Douglas, William M.
May 7, 1912
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