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US Patent: 697,718
Level
Patentee:
Thomas Francis Hickey - Johnsonville, NY

USPTO Classifications:
33/368, 33/401

Tool Categories:
layout tools : levels
layout tools : plumb bobs

Assignees:
Charles J. Van Wert - Johnsonville, NY

Manufacturer:
Not known to have been produced

Witnesses:
Charles A. Miller
Clarence E. Akin

Patent Dates:
Granted: Apr. 15, 1902

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
A level that uses a plumb bob rather than liquid-in-a-vial.

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