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US Patent: 1,329,970
Drill-jig
Patentee:
Henry J. Hauser (exact or similar names) - Chicago, IL

USPTO Classifications:
408/115R, 408/90, 408/97

Tool Categories:
metalworking tools : drilling : drill and tap guides

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Nov. 27, 1918
Granted: Feb. 03, 1920

Patent Pictures:
USPTO (New site tip)
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