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US Patent: 436,659
Pocket Knife
Joshua W. Harris - Fredericksburg, VA

USPTO Classifications:
30/144, 30/152, 30/408, 7/118, 7/155, 7/167

Tool Categories:
knives and cutters
combination tools

Joshua W. Harris - Fredericksburg, VA
Thomas P. Wallace - Fredericksburg, VA

Not known to have been produced

P. B. Turpin
Fred. G. Dieterich
D. S. Russell
S. G. Wallace, Jr.

Patent Dates:
Applied: Feb. 12, 1890
Granted: Sep. 16, 1890

Patent Pictures:
Joshua W. Harris patent September 16, 1890
USPTO pdf tiff
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Interchangeable blades slide into a socket in one end of the frame, and are held in place by a lever with a lug that fits a notch in the base of the interchangeable blades.

The blades shown in the drawings and noted in the specification include awl, saw, gimlet, pruning blade, can opener, screwdriver, and knife blades. How about it, Knife collectors -- was this one ever produced?

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