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US Patent: 1,839,139
Lathe Tool Holder
Patentee:
Robert H. Brockman (exact or similar names) - St. Petersburg, Pinellas County, FL

USPTO Classifications:
433/135, 433/166, 451/507

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Nov. 29, 1930
Granted: Dec. 29, 1931

Patent Pictures:
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