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US Patent: 1,431,522
Marking Device
Riveting Gage
Patentee:
Martin E. Hayman (exact or similar names) - Milwaukee, OR

USPTO Classifications:
33/578, 83/655

Tool Categories:
layout tools : special purpose gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 12, 1919
Granted: Oct. 10, 1922

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Ralph Brendler
Description:
This is a specialized tool for laying out holes for riveting.

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