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US Patent: 845,463
Slide Rule
Patentee:
Harold T. Hincks - Chester, England

USPTO Classifications:
235/84

Tool Categories:
rules : slide rules : circular slide rules

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Algernon J. Yorke
Arthur G. N. Knight
W. A. Kelly
F. E. Nares

Patent Dates:
Applied: May 31, 1905
Granted: Feb. 26, 1907

Patent Pictures:
USPTO pdf tiff
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Description:
Edward P. Thompson - patent attorney

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