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US Patent: 1,960,124
Boring Tool Holder or Boring Bar
Patentee:
Roy V. Russell (exact or similar names) - Middletown, Butler County, OH

USPTO Classifications:
279/6

Tool Categories:
metalworking machines : drilling and boring : boring heads
metalworking tools : boring bars

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 23, 1931
Granted: May 22, 1934

Patent Pictures:
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