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US Patent: D3,195
Design for a Spirit Level
Patentee: Leonard L. Davis (exact or similar names) - 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: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen. Vintage Machinery entry for Leonard L. Davis
Description: Classic Davis filigree design for metallic levels.

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