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US Patent: 725,019
Tool Holder
Patentee:
John Armstrong (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
144/212, 407/69, 407/86, 407/92

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:
Arthur B. Seibold
Louis K. Gillson
W. H. Cotton

Patent Dates:
Applied: May 29, 1902
Granted: Apr. 14, 1903

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:
Louis K. Gillson - patent attorney

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