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US Patent: 40,819
Improved Window Sash Fastener
Patentee:
Charles B. Clark (exact or similar names) - Mount Pleasant, IA

USPTO Classifications:
292/199, 292/52

Tool Categories:

Assignees:
None

Manufacturer:
Unknown

Witnesses:
W. D. Leedham
E. Beers

Patent Dates:
Granted: Dec. 08, 1863

Patent Pictures: [ 1 | 2 | 3 | 4 ]
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Description:
One of these appeared in an auction of Mike Urness'. It may have also been identified as a Whats it in the M-WTCA's Gristmill. Appears to be marked PTD 8 DEC 63.

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