US Patent: 2,177,979


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Chuck

Patentee:

Emery E. Davis (exact or similar names) - St. Louis, MO

USPTO Classifications:

407/52, 408/227

Tool Categories:

metalworking machines : drilling and boring : drill presses : drill press chucks

woodworking machines : wood drilling and boring : drill presses : drill press chucks

Assignees:

Otto H. Siewek - Ferndale, MI

Manufacturer:

Siewek Tool Co. - Ferndale, MI

Witnesses:

Unknown

Patent Dates:
Applied:	Jul. 01, 1938
Granted:	Oct. 31, 1939

Patent Pictures:

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Vintage Machinery entry for Siewek Tool Co.
Vintage Machinery entry for Davis Boring Tool Co.

Description:

Assignee Otto H. Siewek was owner-operator of Siewek Tool & Die Co., also known as Siewek Tool Co., and latterly known as the Siewek Tool Division of Domestic Industries, Inc., of Ferndale, Michigan.