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CA Patent: CA-276,826
Expansion reamer
Patentee:
Emery E. Davis (exact or similar names) - St. Louis, MO

USPTO Classifications:

Tool Categories:
metalworking machines : drilling and boring : drill bits : reamers

Assignees:
Davis Boring Tool Co. - St. Louis, MO

Manufacturer:
Davis Boring Tool Co. - St. Louis, MO

Witnesses:
Unknown

Patent Dates:
Granted: Jan. 03, 1928

Patent Pictures:
CIPO Data
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Davis Boring Tool Co.

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