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US Patent: 2,561,705
Propeller and method of propeller manufacture
Patentee:
Emil Lochman (exact or similar names) - Milwaukee, WI

USPTO Classifications:
29/889.61, 416/147, 416/226

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Aug. 08, 1942
Granted: Jul. 24, 1951

Patent Pictures:
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