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US Patent: 521,579
Gage brace
Patentee:
John F. Alley (exact or similar names) - Norton, VA

USPTO Classifications:
408/113, 81/36

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jun. 19, 1894

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Kirk Eppler
Description:
This brace regulates drilling depth.

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