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CA Patent: CA-222,025
Differential gearing
Patentee:
John S. Alcorn (exact or similar names) - Waltham, MA

USPTO Classifications:

Tool Categories:

Assignees:
John S. Alcorn - Waltham, MA
Charles S. Farquhar - Boston, MA
Robert J. Lynd - Somerville, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Aug. 08, 1922

Patent Pictures:
CIPO Data
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Alcorn & Ames; Alcorn Machine Co.
Description:
This is the Canadian equivalent of US patent 1,354,937.

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