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US Patent: 1,452,172
Drill-rpindle-adjusting mechanism
Patentee:
Robert F. Scott - Philadelphia, PA

USPTO Classifications:
408/127, 408/146, 408/48

Tool Categories:
metalworking machines : drilling and boring : drill presses : multiple spindle drill presses

Assignees:
Edwin Harrington, Son & Co., Inc. - Philadelphia, PA

Manufacturer:
Edwin Harrington, Son & Co., Inc. - Philadelphia, PA

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 14, 1921
Granted: Apr. 17, 1923

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Edwin Harrington, Son & Co., Inc.

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