UNT Libraries Government Documents Department - 5 Matching Results

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Patent for a machine brake for motorized fans that allows the speed to be regulated.

Date: July 25, 1911

Creator: Mallory, John W. & Peters, Walter C.

Item Type: Patent

Patent for a twine holder. Illustration included.

Date: October 25, 1904

Creator: Weir, Roy Lee

Item Type: Patent

Patent for a nut lock, to hold a nut in place or act in place of a washer, including illustrations.

Date: September 25, 1900

Creator: Dowell, Jeff Davis & Galliher, Lawrence M.

Item Type: Patent

Patent for a harrow cultivator, which can be operated on opposite sides of a row of plants at the same time.

Date: August 25, 1908

Creator: Farris, Henry C.

Item Type: Patent

Patent for a potato cutter for dividing seed potatoes into sections for planting.

Date: February 25, 1908

Creator: Wheeler, Melley M.

Item Type: Patent