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US Patent: 471,459
Ruler
Patentee:
Victor M. Ariza (exact or similar names) - Maracaibo, Zulia, Venezuela

USPTO Classifications:
33/448, 34/89.2, 34/95.3

Tool Categories:
rules

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 04, 1891
Granted: Mar. 22, 1892

Patent Pictures:
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