UNT Libraries Government Documents Department - 343 Matching Results

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Watchmaker's Tool.

Description: Patent for a watchmaking tool that enables a roller jewel to be set in the balance-wheel of a watch with accuracy, and without removing the hair-spring or the roller table.
Date: January 8, 1918
Creator: Kethley, Jacob D.
Item Type: Refine your search to only Patent

Hot-Air Mixer

Description: Patent for a device that will create hot air to be delivered to the manifold of gas-powered engines in motor vehicles when the operator pushes a plunger that will open an intake valve.
Date: March 9, 1920
Creator: Ingraham, Jerome H.
Item Type: Refine your search to only Patent

Ring for Disseminating Perfumes, &c.

Description: Patent for "an improved device for disseminating chemicals, perfumes and the like ... in the nature of a ring which may be worn on either finger, toe, arm, or any part of the body and which constitutes a container for the material to be disseminated." (p.1 lines 9-15). The "outlet ... openings [of the ring] ... are normally obstructed to some extent by contact with the member on which it is worn so that the escape of the material contained will be slow and gradual." (p.1 lines 18-23)
Date: February 26, 1918
Creator: Griffin, William H. H.
Item Type: Refine your search to only Patent

Match Box.

Description: Patent for match box that allows the removal of one match at a time, with the addition of a jointed figure for amusement and delight.
Date: September 12, 1916
Creator: Norvill, Ruel E.
Item Type: Refine your search to only Patent

Tongue Support for Binders

Description: Patent for a tongue support for binders. "A device of this nature for supporting tongues of binders or other machines, in order to remove the weight and the strain from the necks of the animals" (lines 15-18). Illustration included.
Date: December 31, 1912
Creator: Loe, Charles W.
Item Type: Refine your search to only Patent
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