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US Patent: 1,404,794
Beam Compass
Patentee:
Charles C. Reitenbaugh (exact or similar names) - Rock Island, IL

USPTO Classifications:
33/27.03

Tool Categories:
layout tools : compasses : trammels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 04, 1920
Granted: Jan. 31, 1922

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Ralph Brendler
Description:
This draftsman's compass features a micro-adjust for one leg and a quick-change mechanism for the pencil lead.

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