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US Patent: 877,894
George L. Kelley - Buffalo, NY

USPTO Classifications:
144/144.51, 144/252.1

Tool Categories:
woodworking machines : handheld power tools : handheld routers

Stevenson Machine Co. - Buffalo, NY

Kelley Electric Machine Co. - Buffalo, NY
Stevenson Machine Co. - Buffalo, NY

A. L. McGee
C. W. Parker

Patent Dates:
Applied: Jul. 23, 1906
Granted: Jan. 28, 1908

Patent Pictures:
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"Vintage Machinery" entry for Kelley Electric Machine Co.
Kelley is probably the inventor of the handheld router—he certainly precedes the much better-known R. L. Carter.

This machine was designed to rout housed stair stringers. It uses two or more cutters in a circular housing that can be rotated to vary the width of the overall cut.

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