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US Patent: 1,037,939
Jacob Leukart - Columbus, OH

USPTO Classifications:

Tool Categories:
trade specific : carpenter
woodworking machines : wood drilling and boring : portable timber mortisers
woodworking machines : joint making machines : portable timber mortisers


J. Leukart Manufacturing Co. - Columbus, OH

A. Geise
F. A. Siegel

Patent Dates:
Applied: Apr. 26, 1911
Granted: Sep. 10, 1912

Patent Pictures: [ 1 | 2 ]
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"Vintage Machinery" entry for J. Leukart Manufacturing Co.
This invention relates to new and useful improvements in automatic mortising apparatus and the object in view is to produce a simple(!) and efficient machine of this nature in which an elongated mortise may be formed in the block or board, the bottom of the mortise being straight and the end of the mortise concaved." What qualified as "complex"?

Examples have been seen, labeled, "J. Leukart MF; Patent Sept. 10, 1912; Columbus, Ohio" or "J. Leukart Mfg. Co. Pat'd Sept 10, 1912, Columbus, Ohio"

See also patent CA-145,515.

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