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US Patent: D3,195
Design for a Spirit Level
Patentee:
Leonard L. Davis - Springfield, MA

USPTO Classifications:
D10/69

Tool Categories:
layout tools : levels : metallic levels

Assignees:
None

Manufacturer:
Leonard L. Davis Co. - Springfield, MA

Witnesses:
J. P. Buckland
N. B. Smith

Patent Dates:
Granted: Sep. 22, 1868

Patent Pictures:
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Description:
Classic Davis filigree design for metallic levels.

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