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Chemical Composition

Description: Benjamin R. Harris' legal patent from the United States Patent Office, on the chemical compositions he created which are products with hydrophyllic characters and explaining how he forms them.
Date: December 3, 1935
Creator: Harris, Benjamin R.
Partner: Moody Medical Library, UT

CANAL-GATE.

Description: Patent for an improvement to canal-gates that is "a simple and comparatively inexpensive contrivance for receiving a handle of the shank of a handle which is attached to the lock or gate" (lines 18-22) including an illustration.
Date: March 9, 1920
Creator: Perry, Charles Franklin
Partner: UNT Libraries Government Documents Department

Index.

Description: Patent for "an improved method of indexing books of reference, and more especially city and county records, and the means for carrying over from one line to another where several indexes are to be set opposite one name" (lines 9-14).
Date: April 11, 1893
Creator: Heppenstall, James Edward
Partner: UNT Libraries Government Documents Department

Manifold-Writing Tablet.

Description: Patent for writing platform which allows for the creation of carbon copies.
Date: April 1, 1879
Creator: Morris, Robert, C.
Partner: UNT Libraries Government Documents Department

Process of Distilling Oil

Description: Patent for a new and improved process of distilling oil by inventor James E. Biggins.
Date: October 23, 1917
Creator: Biggins, James E.
Partner: UNT Libraries Government Documents Department

Fuel

Description: Edgar L. Culver's legal patent from the United States Patent Department, which details Culver's invented process of turning a community's waste into fuel. The finished product when burned, does not leave many clinkers and gives off minimal amounts of smoke and soot.
Date: June 26, 1915
Creator: Culver, Edgar L.
Partner: UNT Libraries Government Documents Department
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