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Combined Harrow and Roller

Patent for a combined harrow and roller for pulverizing and eliminating unwanted growth from the ground. Illustrations included.

Date: April 9, 1912

Creator: Younger, Walter E.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Delinter

Patent is for a Delinter. It provides a means for mechanical separation of cotton seeds from fiber as a new way of cotton ginning.

Date: April 24, 1912

Creator: Mullen, Joseph D.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for an "an automatically acting compressed air machine where a reciprocating action is desired" (lines 9-11) "which will be automatic and positive in its action, which may be operated with minimum amount of compressed fluid, and which has relatively few parts that might get out of order" (lines 12-18).

Date: April 9, 1912

Creator: Saurenmann, Jacob Gilmore

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Advertising Device

Patent for an Advertising Device. This device provides "a series of hinged leaves so mounted that those exposed to view have the experience of being part of a book." (lines 14-17). "A further object is to provide means which will conceal the operating mechanism, and mystify the observer" (lines 23-25), with a "supporting structure and a dummy provided with a movable hand...for turning said movable shaft as the leaves are turned" (lines 3-13).

Date: April 6, 1912

Creator: Friedman, Bernard Z.

Item Type: Patent

Partner: UNT Libraries Government Documents Department