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US Patent: 1,394,709
Drill Head
Patentee:
Joseph F. Buhr - Detroit, Wayne County, MI

USPTO Classifications:
74/665R

Tool Categories:
metalworking machines : drilling and boring : drill presses : drill press accessories

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 11, 1919
Granted: Oct. 25, 1921

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Buhr Machine Tool Co.

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