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US Patent: 143,236
Improvement in sash and door clamps
Patentee:
Robert L. Greenlee (exact or similar names) - Chicago, IL

USPTO Classifications:
269/113, 269/140, 269/159

Tool Categories:
work holding : clamps

Assignees:
None

Manufacturer:
Greenlee Brothers & Co. - Rockford, IL

Witnesses:
Samuel Smith
G. L. Chopin

Patent Dates:
Applied: Nov. 16, 1872
Granted: Sep. 30, 1873

Patent Pictures:
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Report data errors or omissions to steward Carl Matthews
"Vintage Machinery" entry for Greenlee Brothers & Co.

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