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US Patent: 989,117
Tool Holder
Patentee:
Peter B. Christensen (exact or similar names) - New Britain, Hartford County, CT

USPTO Classifications:
279/83, 403/362, 407/111, 407/97

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: Apr. 15, 1908
Granted: Apr. 11, 1911

Patent Pictures:
USPTO (New site tip)
Google Patents
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