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US Patent: 555,771
Level
Patentee:
Ernst Hohnbaum (exact or similar names) - Rodach, Duchy of Saxe-Coburg-Gotha German Empire

USPTO Classifications:
33/381, 33/388

Tool Categories:
layout tools : levels : inclinometers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 24, 1894
Granted: Mar. 03, 1896

Patent Pictures:
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