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US Patent: 1,271,930
Blade Sharpener
Patentee:
Alphonse Newhouse - San Francisco, CA

USPTO Classifications:
451/322

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. Hamburger
D. von Duering
B. R. Abbott
Frances V. Cole

Patent Dates:
Applied: Jun. 17, 1916
Granted: Jul. 09, 1918

Patent Pictures:
USPTO pdf tiff
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Description:
Strong & Townsend - patent attorneys

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