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US Patent: 3,118,325
Combined manual and power feed for drill press
Patentee:
David D. Pettigrew - Pittsburgh, PA

USPTO Classifications:
192/93R, 408/126

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

Assignees:
Rockwell Manufacturing Co. - Pittsburgh, PA

Manufacturer:
Rockwell Manufacturing Co. - Pittsburgh, PA

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 12, 1960
Granted: Jan. 21, 1964

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Rockwell Manufacturing Co.

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