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US Patent: 1,489,523
Drilling machine (multiple drill)
Patentees:
Howard D. Corwin (exact or similar names) - Jackson, MI
William R. Fox (exact or similar names) - Jackson, MI

USPTO Classifications:
408/127, 408/133, 408/135, 74/842

Tool Categories:

Assignees:
Fox Machine Co. - Jackson, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 08, 1921
Granted: Apr. 08, 1924

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Fox Machine Co.

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