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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)
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for W. F. & John Barnes Co.

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