US Patent: 144,499 - Devices for Changing the Speed of Machinery


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US Patent: 144,499

Devices for Changing the Speed of Machinery

Patentee:

Alfred Betts (exact or similar names) - Wilmington, New Castle County, DE

USPTO Classifications:

122/155.3, 475/320

Tool Categories:

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

Assignees:

E. & A. Betts - Wilmington, New Castle County, DE

Manufacturer:

Not known to have been produced

Witnesses:

Solon O. Kernan

Patent Dates:
Applied:	Oct. 23, 1873
Granted:	Nov. 11, 1873

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Betts Machine Co.

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