UNT Libraries Government Documents Department - 3 Matching Results

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Patent for a cotton chopping attachment for cultivators. Illustrations included.

Date: July 30, 1912

Creator: Smith, Charles F. & Smith, Clyde D.

Patent for a surgical instrument for increasing dilation of the uterine cavity and for taking medical tampons in and out.

Date: December 3, 1912

Creator: McMordie, William Emmett

Patent for a cylinder for cotton-gins in which the cylinder has teeth that are "secured to the project from the periphery of the disk" (lines 17-18).

Date: January 23, 1912

Creator: Fuller, James T.