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Patent number:
Patent Date:
US Patent: 173,885
Improvement in Hollow Augers
Patentee:
Austin Berry (
exact
or
similar
names) - Waterloo, QC Canada
USPTO Classifications:
30/495
Tool Categories:
woodworking tools
:
hand drills
:
drill bits
:
hollow bits
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
John Fitzgerald
O. P. Bloss
Patent Dates:
Applied:
Dec. 31, 1875
Granted:
Feb. 22, 1876
Patent Pictures:
USPTO
(New site tip)
Google Patents
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