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Primary view of Well-Drilling Bit.
Midgett, Penelton G.
August 16, 1921
Primary view of Bee-Shipping Cage
Ault, Eugene B.
August 16, 1921
Primary view of Well-Casing Extractor
Price, Filmore M.
August 16, 1921
Primary view of Oil-Burner.
Mills, Virgil H. & Mills, John H. T.
August 16, 1921
Primary view of Plaiting-Machine.
Odle, Ophelia & Odle, Leo Estelle
August 16, 1921
Primary view of Oil-Burner.
Mills, Virgil H.
August 16, 1921
Primary view of Water-Motor.
Brady, Enoch J.
August 16, 1921
Primary view of Fountain Brush.
Bates, William P.
August 16, 1921
Primary view of Rock-Drill
Alford, Allen
August 16, 1921
Primary view of Process of Heating Oil-Retorts and Apparatus Therefor.
Alexander, Clive M.
August 16, 1921
Primary view of Ice-Cream Freezer
Neyland, William M.
August 16, 1921
Primary view of Hoe.
Clark, James Robert.
August 16, 1921
Primary view of Metal-Working Device.
Bussel, Herman
August 16, 1921
Primary view of Pressure-Screw.
Menger, Edward W.
August 16, 1921
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