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Patent number:
Patent Date:
US Patent: 998,227
Variable Speed Gearing
Patentee:
John S. Barnes (
exact
or
similar
names) - Rockford, Winnebago County, IL
USPTO Classifications:
74/344
Tool Categories:
metalworking machines
:
metalworking machine mechanisms
:
metalworking machine gearing
:
metalworking speed changing mechanisms
Assignees:
W. F. & John Barnes Co.
- Rockford, Winnebago County, IL
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Feb. 23, 1910
Granted:
Jul. 18, 1911
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for W. F. & John Barnes Co.
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