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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 ]
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Description:
One of these was auctioned on ebay. It was marked "PAT'D 1906"

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