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US Patent: 925,148
Variable Speed Gear
Patentee:
Harvey D. Williams (exact or similar names) - Washington, DC

USPTO Classifications:
188/294, 60/490, 74/60, 91/505

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine speed and direction changing mechanisms

Assignees:
Waterbury Tool Co. - Waterbury, New Haven County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 20, 1906
Granted: Jun. 15, 1909

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Waterbury Tool Co.

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