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US Patent: 1,875,484
Screw Extractor
Patentee:
Ferdinand Nigra - Los Angeles, CA

USPTO Classifications:
470/198, 81/441, 81/53.2

Tool Categories:
specialty tools : screw extractors

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 24, 1930
Granted: Sep. 06, 1932

Patent Pictures:
USPTO pdf tiff
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