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Patent number:
Patent Date:
US Patent: 558,497
Drilling Machine
Patentee:
Alfred W. Kinney (
exact
or
similar
names) - Hartford, Hartford County, CT
USPTO Classifications:
408/48
Tool Categories:
metalworking machines
:
drilling and boring
:
drill presses
:
multiple spindle drill presses
Assignees:
Auguste J. Oehring
- Chicago, Cook County, IL
Pratt & Whitney Co.
- Hartford, Hartford County, CT
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Jul. 05, 1892
Granted:
Apr. 21, 1896
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Pratt, Whitney & Co.
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