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Combination-Tool.

Description: Patent for a combination tool that is "adapted without changing any of its parts to operate as a nut and pipe wrench, pliers, hammer, screw-driver, and nail-extractor." (Lines 12-15) Includes instructions and illustrations.
Date: October 12, 1897
Creator: Armstrong, Charles J.
Item Type: Refine your search to only Patent

Electric Insulator.

Description: Patent for a new and improved electric insulator. This design "comprises a pair of fixed metal jaws or flanges having a common base of the same material integral therewith, and having between them a recess or groove for the reception of a wire, a key seat or slot passing through both jaws near their point of permanent union, and rounded off or made with a concave surface at its outer side, and a key or wedge convexly rounded on one side of its surface to correspond with said slot and adapted to… more
Date: August 12, 1890
Creator: Dunbar, John K.
Item Type: Refine your search to only Patent

Wire-and-Picket-Fence Machine.

Description: Patent for a machine that secures "pickets in wire fencing, the wires having been secured to and stretched between the fence-posts and the machine applied to the wires and operated by hand to secure the pickets to the wires by an operation which places them in crossed relation to form loops within which the pickets are secured at the proper distance apart" (lines 9-16). The machine works on wires that have already been stretched.
Date: May 12, 1896
Creator: Rice, Elisha A.
Item Type: Refine your search to only Patent
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