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US Patent: 1,490,346
Tool Holder
Patentee:
Albert B. Smith (exact or similar names) - Council Bluffs, Pottawattamie County, IA

USPTO Classifications:
279/29, 407/111, 407/81

Tool Categories:
metalworking machines : metalworking machine tool holders

Assignees:
Sprague Foundry & Mfg. Co. - Council Bluffs, Pottawattamie County, IA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 05, 1923
Granted: Apr. 15, 1924

Patent Pictures:
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