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US Patent: 577,904
Expansible reamer
Patentee:
Baxter D. Whitney - Winchendon, MA

USPTO Classifications:
408/164

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Edward S. Duvall, Jr.
William L. Boyden

Patent Dates:
Applied: Jun. 17, 1893
Granted: Mar. 02, 1897

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Baxter D. Whitney & Son, Inc.

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