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US Patent: 809,699
Clinometer
Patentee: Bernard Kern, Jr. (exact or similar names) - Toledo, OH USPTO Classifications: 33/388 Tool Categories: layout tools : levels : inclinometers Assignees: None Manufacturer: Unknown Witnesses: C. W. Owen Mary I. Shay	Patent Dates: Applied: Jan. 19, 1905 Granted: Jan. 09, 1906 Patent Pictures: [ 1 | 2 | 3 | 4 | 5 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen
Description: One of these was auctioned on ebay. It was marked "PAT'D 1906"

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