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US Patent: 138,973
Improvement in stocks for drill or other bits
Harry B. Williams - Cincinnati, OH

USPTO Classifications:
408/101, 81/63

Tool Categories:
wrenches : ratchet wrenches
woodworking tools : braces : ratchet braces

John B. Schroder - Cincinnati, OH
Lyman L. Benson - Cincinnati, OH
Albert G. Corre - Cincinnati, OH
Harry B. Williams - Cincinnati, OH

Williams Tool Co. - Cincinnati, OH

James H. Layman
George H. Knight

Patent Dates:
Applied: Feb. 03, 1873
Granted: May 13, 1873

Patent Pictures: [ 1 | 2 ]
Harry B. Williams patent May 13, 1873
USPTO pdf tiff
Google Patents
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The patent includes reversible ratchet, clamping frame, etc. The tool appears in books describing railroad maintenance tools, and the Williams Tool Co. listing in the Cincinnati City directories indicate a couple of the assignees were company officers.

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