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US Patent: 1,403,847
Tool or Drill Holder
Patentee:
Charles F. De Armond (exact or similar names) - Elko, Elko County, NV

USPTO Classifications:
123/146.5A, 279/79, 279/87

Tool Categories:
metalworking machines : drilling and boring : drilling and boring tool holders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: May 10, 1920
Granted: Jan. 17, 1922

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
Description:
Application renewed 15 Apr., 1921.

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