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US Patent: 107,255
Improvement in Multiple Tool
Henry J. Harris - Shreveport, LA

USPTO Classifications:
7/138, 7/146, 81/124.2, 81/23

Tool Categories:
combination tools
woodworking tools : hammers : nail holding
wrenches : socket wrenches


Not known to have been produced

Edm. F. Brown
Alexander Mahon
H. H. Doubleday

Patent Dates:
Applied: Aug. 02, 1870
Granted: Sep. 13, 1870

Patent Pictures:
USPTO pdf tiff
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The tool combines a nail-holding hammer and a wagon or buggy axle nut wrench. The hammer head serves as a "T" handle for the socket wrench. Edges of the socket have smaller open end wrench sizes. The hammer can be unscrewed from the shank and screwed onto a longer handle. The small socket and set screw in the shank are an attachment point for other tool additions such as drill bits, screwdrivers, etc. that are not shown in the patent drawing.

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