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US Patent: 3,058,129
Combination Drilling and Self-Leading Tapping Machine Tool
Patentee:
Eugene B. Sullivan (exact or similar names) - Rockford, Winnebago County, IL

USPTO Classifications:
408/132, 408/137, 408/4, 74/841

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 27, 1960
Granted: Oct. 16, 1962

Patent Pictures:
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"Vintage Machinery" entry for W. F. & John Barnes Co.

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