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US Patent: 237,722
Feed device for drilling-machines
Patentee:
Henry Bickford - Cincinnati, OH

USPTO Classifications:
74/842

Tool Categories:
metalworking machines : drilling and boring : drill presses
woodworking machines : wood drilling and boring : drill presses

Assignees:
None

Manufacturer:
H. Bickford - Cincinnati, OH
Bickford Drill Co. - Cincinnati, OH

Witnesses:
Henry Millward
Theodore Horstmain

Patent Dates:
Applied: Sep. 15, 1880
Granted: Feb. 15, 1881

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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"Vintage Machinery" entry for Bickford Drill Co.

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