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Patent number:
Patent Date:
US Patent: 442,171
Spalt Dropping Mechanisn for Shingle Sawing Machines
Patentee:
Frank Challoner (
exact
or
similar
names) - Oshkosh, Winnebago County, WI
USPTO Classifications:
83/161
Tool Categories:
woodworking machines
:
specialty woodworking machines
:
shingle machines
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Charles L. Goss
E. G. Asmus
Ella F. Jackman
W. C. Ruckman
Patent Dates:
Applied:
Jul. 21, 1890
Granted:
Dec. 09, 1890
Patent Pictures: [
1
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2
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3
]
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