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US Patent: 1,214,498
Tool Holder
Patentee:
James Armstrong (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
279/77, 407/108, 407/93, 407/94

Tool Categories:
metalworking machines : metal lathes : lathe tool holders and tool posts

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

Manufacturer:
Not known to have been produced

Witnesses:
W. J. Braddock
C. A. Randall
Harry R. L. White
C. Paul Parker

Patent Dates:
Applied: Jan. 14, 1916
Granted: Feb. 06, 1917

Patent Pictures:
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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:
Miller & Chindahl - patent attorneys

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