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Primary view of Hydraulic Swivel
Black, Lee J.
March 7, 1922
Primary view of Hydraulic Classifier.
Allen, Charles
March 21, 1922
Primary view of Oil Burner
Mills, Virgil H. & Mills, John H. T.
March 14, 1922
Primary view of Centrifugal Separator.
Paul, Christian F., Jr.
March 14, 1922
Primary view of Clothespin
Ingersoll, Charles James
March 21, 1922
Primary view of Spark Plug Protector.
Sharp, Morrison M.
March 28, 1922
Primary view of Ice-Holding Device.
Barton, Warren D.
March 21, 1922
Primary view of Mirror Support
Reavis, Jesse O.
March 14, 1922
Primary view of Building Construction
Trost, Henry Charles
March 14, 1922
Primary view of Clip for Eyeglass Cases and The Like
Evans, William B.
March 14, 1922
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