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US Patent: 297,719
Combined Level and Boring Guide
Patentee:
Albert Root (exact or similar names) - Hamden, New Haven County, CT

USPTO Classifications:
33/371, 33/395

Tool Categories:
layout tools : levels
metalworking tools : drilling : drill and tap guides

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 06, 1884
Granted: Apr. 29, 1884

Patent Pictures:
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