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US Patent: 45,372
Improvement in Spring Tape Measures
William H. Bangs, Jr. - West Meriden, CT

USPTO Classifications:

Tool Categories:
rules : tape measures

Nathaniel L. Bradley - West Meriden, CT
Walter Hubbard - West Meriden, CT

Bradley & Hubbard Manufacturing Co. - Meriden, CT

Cathes G. Roys
George A. Hay

Patent Dates:
Applied: Jul. 16, 1864
Granted: Dec. 06, 1864

Patent Pictures:
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Smithsonian Institution page on Bradley & Hubbard Mfg. Co.
This is reportedly the first manufactured patent spring-return tape measure. The Bradley & Hubbard Manufacturing Co. was established in 1852 to make clocks. During the Civil War era they diversified their product line to include "flags, hoop skirts, spring measuring tapes and match safes," to quote the Smithsonian Institution website.

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