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Primary view of Apparatus for Cleaning Deep Wells.
Deats, George W.
July 3, 1917
Primary view of Journal-Lubricator
Urbieta, Jose Maria
July 3, 1917
Primary view of Lifting Clamp for Well Casings
Kibele, Eugene
July 3, 1917
Primary view of Trap.
Speed, Jefferson
July 3, 1917
Primary view of Speed-Operated Circuit-Closer.
Touchy, Frank Earl
July 3, 1919
Primary view of Upward-Current Separating Process and Device.
Allen, Charles
July 3, 1917
Primary view of Freight Gang-Plank.
Simpson, Louis
July 3, 1917
Primary view of Front-Wheel Drive
Smith, George W.
July 3, 1917
Primary view of Hoisting Drum.
Howard, Henry Fischer
July 3, 1917
Primary view of Resilient Wheel.
Fuller, Robert Nelson
July 3, 1917
Primary view of Rotary Engine
Martin, Jerry M.
July 3, 1917
Primary view of Car-Door
Smith, Harry
July 3, 1917
Primary view of Automobile Projectile.
Elrod, Henry E.
July 3, 1917
Primary view of Apparatus for Destroying Weevils.
Kasmeier, John
July 3, 1917
Primary view of Animal-Trap.
Burgett, William Matthews
July 3, 1917
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