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US Patent: 476,677
Dado-head
Patentee:
Joseph W. Oliver (exact or similar names) - Grand Rapids, MI

USPTO Classifications:
144/222

Tool Categories:
woodworking machines : machine and tool cutters : cutterheads

Assignees:
None

Manufacturer:
American Machinery Co. (Grand Rapids) - Grand Rapids, MI
Oliver Machinery Co. - Grand Rapids, MI

Witnesses:
Ithiel J. Cilley
E. McWhinney

Patent Dates:
Granted: Jun. 07, 1892

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Oliver Machinery Co.
Vintage Machinery entry for American Machinery Co. (Grand Rapids)
Description:
From the founder of Oliver Machinery Co., an adjustable-width dado cutter. Witness Cilley was an attorney.

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