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US Patent: 1,259,045
Drill Sharpener
Patentees:
Theodore H. Proske (exact or similar names) - Denver, CO
Alexander L. Proske (exact or similar names) - Denver, CO

USPTO Classifications:
269/32, 76/5.4, 91/40

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Hellen A. Villemagne
A. Ebert O'Brien

Patent Dates:
Applied: Dec. 23, 1916
Granted: Mar. 12, 1918

Patent Pictures:
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Description:
A. J. Bond - patent attorney

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