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US Patent: 1,148,365
Speed Drill
Patentee:
John Duval (exact or similar names) - Grand Junction, CO

USPTO Classifications:
81/36

Tool Categories:
woodworking tools : braces : geared braces

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
R. E. Starr
William Campbell
Patent Dates:
Applied: Sep. 17, 1914
Granted: Jul. 27, 1915

Patent Pictures:
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