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US Patent: RE1,456
Improvement in setting teeth in saws and saw-plates
Patentee:
Nathan W. Spaulding - San Francisco, CA

USPTO Classifications:
83/841

Tool Categories:
woodworking machines : circular saws : insertible saw teeth
woodworking machines : machine and tool cutters : insertible saw teeth

Assignees:
None

Manufacturer:
N. W. Spaulding & Bros. - Chicago, IL

Witnesses:
G. F. Allardt
W. O. Andrews

Patent Dates:
Granted: Apr. 21, 1863

Reissue Information:
Reissue of 33,270 (Sep. 10, 1861)

Patent Pictures:
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Description:
The EAIA "Directory of American Toolmakers" and the 1874 "Wiley's American iron trade manual of the leading iron industries of the United States" both list N. W. Spaulding & Bros., which was located at 20 South Canal St. in Chicago.

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