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US Patent: 455,477
Drill-Chuck
Drill Bit Extension, Etc.
Patentee:
John F. Steward - Chicago, IL

USPTO Classifications:
279/44

Tool Categories:
woodworking tools : hand drills : drill bit extensions
work holding : vises : hand vises

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
S. L. Steward
W. H. Hackett

Patent Dates:
Applied: Aug. 02, 1890
Granted: Jul. 07, 1891

Patent Pictures:
USPTO pdf tiff
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