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US Patent: 472,517
Worm and Worm Shaft
Patentee:
Oscar J. Beale (exact or similar names) - Providence, Providence County, RI

USPTO Classifications:
74/440

Tool Categories:

Assignees:
Brown & Sharpe Mfg. Co. - Providence, Providence County, RI

Manufacturer:
Not known to have been produced

Witnesses:
W. H. Thurston
S. J. Murphy

Patent Dates:
Applied: Jul. 22, 1891
Granted: Apr. 12, 1892

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Brown & Sharpe Mfg. Co.

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