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US Patent: 2,078,475
Tool Holder
Patentee:
Sebastian J. Welter (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
407/112, 407/77, 407/81

Tool Categories:
metalworking machines : metal lathes : lathe tools

Assignees:
Armstrong Bros. Tool Co. - Chicago, Cook County, IL

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Dec. 07, 1934
Granted: Apr. 27, 1937

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
Armstrong Brothers Tool Co. history
"Vintage Machinery" entry for Armstrong Brothers Tool Co.
Description:
Chindahl, Parker & Carlson - patent attorneys

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