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US Patent: 131,407
Improvement in Jointed Rules
Patentee:
Edward Paeckert (exact or similar names) - Stratford, ON Canada

USPTO Classifications:
33/463

Tool Categories:
rules : folding rules : folding rule joints

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Franklin Barritt
Richard Gerner
Patent Dates:
Granted: Sep. 17, 1872

Patent Pictures:
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