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US Patent: 470,490
Draftsman's Micrometer Scale
Patentee:
Edmund Jones (exact or similar names) - Cold Spring Harbor, NY

USPTO Classifications:
33/494

Tool Categories:
trade specific : draftsman

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Clarence L. Burger
Roscoe C. Toombs
Burnbane Kabieh

Patent Dates:
Applied: Mar. 02, 1891
Granted: Mar. 08, 1892

Patent Pictures:
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Description:
Clarence L. Burger - patent attorney

The object of this invention is to provide a micrometer-scale which is simpler and more compact in form, more accurate, and more convenient in use than those heretofore generally employed.

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