UNT Libraries Government Documents Department - 11 Matching Results

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Combination Wrench.

Description: Patent for a new and improved combination wrench. This design "is to provide a wrench whose moveable jaw is adjustable without a screw, and with whose handle are combined several useful tools or instruments" (lines 8-11).
Date: March 1, 1881
Creator: Butler, Edward Martin & Campbell, William Henry
Item Type: Refine your search to only Patent

Wagon Jack.

Description: Patent for a new and improved wagon jack. This design "relates to wagon-jacks, the object being to provide a jack of simple and economical construction which will be applicable alike to light and heavy vehicles. The invention consists in [an] improved construction" (lines 9-14).
Date: March 28, 1882
Creator: Clark, James
Item Type: Refine your search to only Patent

Washing-Machine.

Description: Patent for a practical, simple, and efficient washing machine that cleans soiled fabrics with the minimum amount of labor in a small amount of time, without wearing out the fabrics.
Date: March 28, 1893
Creator: Snider, Henry C.
Item Type: Refine your search to only Patent

Dental Mold.

Description: Patent for dental mold, it is an improvement on patent no. 700855, by the same inventor. The improvement was to have open sides and large exit at the bottom of the lower neck of the mold, and a flask having a wide inlet in order to keep the molten metal from contact with the metal of the mold to avoid being suddenly cooled. (Lines 19-23) Illustration is included.
Date: March 31, 1903
Creator: Streetman, Willard
Item Type: Refine your search to only Patent

Vehicle-Wheel.

Description: Patent for a vehicle wheel with no extra small parts, a tightener that tightens the whole wheel and is easily reached, and constructed in such a manner that it may be easily taken apart and put back together for repair purposes.
Date: March 26, 1907
Creator: Hadley, William Swain
Item Type: Refine your search to only Patent

Cotton-Picker

Description: Patent for improvements to cotton pickers providing a wheeled machine that will "remove cotton lint from the plants by mechanical means" (lines 15-16) with added new features to construction and operation, including instructions and illustrations.
Date: March 12, 1912
Creator: Scheble, Eugene Stiles & Ascue, Elbert
Item Type: Refine your search to only Patent
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