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US Patent: 1,150,771
Slide rule runner
Patentee:
Willie L. E. Keuffel - Hoboken, NJ

USPTO Classifications:
235/70B

Tool Categories:
rules : slide rules

Assignees:
Keuffel & Esser Co. - Hoboken, NY

Manufacturer:
Not known to have been produced

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

Patent Dates:
Applied: Nov. 25, 1913
Granted: Aug. 17, 1915

Patent Pictures:
USPTO pdf tiff
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Description:
referenced by 1,181,672

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