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Patent number:
Patent Date:
US Patent: 570,197
Boring-machine
Patentee:
William W. Black (
exact
or
similar
names) - Melrose, MA
USPTO Classifications:
144/129
,
144/278.1
,
144/96
,
269/59
Tool Categories:
metalworking machines
:
drilling and boring
Assignees:
J. Hiram Black
- Searltown, PE Canada
Manufacturer:
Not known to have been produced
Witnesses:
A. N. Bonney
Henry W. Williams
Patent Dates:
Applied:
Mar. 18, 1896
Granted:
Oct. 27, 1896
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Description:
Machine is intended for boring holes in the corners of picture frames.
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