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US Patent: 1,181,672
Slide rule runner
Patentee:
Willie L. E. Keuffel - Hoboken, NJ

USPTO Classifications:
235/70B

Tool Categories:
rules : slide rules

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Otto Freund, Jr.
Bowdersine B. Van Sickle

Patent Dates:
Applied: Dec. 26, 1914
Granted: May 02, 1916

Patent Pictures:
USPTO pdf tiff
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Description:
says it's a continuation of his patent app serial no 802909 which became 1,150,771

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