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US Patent: 1,253,292
Dolly Mechanism for Drill Sharpeners
Patentee:
William A. Smith (exact or similar names) - Denver, CO

USPTO Classifications:
76/5.4, 76/5.6

Tool Categories:
metalworking machines : grinders : drill grinders

Assignees:
Denver Rock Drill Mfg. Co. - Denver, CO

Manufacturer:
Not known to have been produced

Witnesses:
S. W. Rodolf
R. G. Davis

Patent Dates:
Applied: Mar. 19, 1917
Granted: Jan. 15, 1918

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
Description:
B. Gasten - patent attorney

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