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in creator/contributor: "Robertson, M. L."  
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Violin.

Description: Patent for violin with special arrangement of two strings. The two strings produce similar tones when vibrated.
Date: January 30, 1917
Creator: Rice, John Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Stalk-Cutter

Description: Patent for a stalk cutter which cuts stalks in rows. Illustrations included.
Date: July 7, 1908
Creator: Stopple, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Telephone Call Box.

Description: Patent for reduction of movements in an improved telephone call box with illustrations.
Date: January 29, 1884
Creator: Oram, John M.; Sutton, Henry M. & Garrett, Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Baling-Press.

Description: Patent for improvements in baling-presses are to reduce the labor of smoothing even the bales and to make the operation safe by carefully arranging different parts of the machines. Illustration is included.
Date: March 21, 1905
Creator: Stopple, John J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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