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US Patent: 827,618
Sash-pulley
Patentee:
Frank S. Clarkson (exact or similar names) - Baltimore, MD

USPTO Classifications:
16/215

Tool Categories:

Assignees:
Clarkson Mfg. Co. - Baltimore, MD

Manufacturer:
Not known to have been produced

Witnesses:
George H. Luscombe
S. Brashears
Patent Dates:
Applied: Oct. 23, 1905
Granted: Jul. 31, 1906

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Joseph Clarkson & Son

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