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US Patent: 1,943,980
Spindle connecter
Patentee:
Arthur William Mall (exact or similar names) - Chicago, IL

USPTO Classifications:
285/321, 464/174, 464/183, 464/53, 464/57

Tool Categories:

Assignees:
Stratmore Co. - Cleveland, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 22, 1932
Granted: Jan. 16, 1934

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Mall Tool Co.
Description:
There is something curious about this patent: it was assigned to a Cleveland company, but the inventor had his own company that made handheld power tools, the Mall Tool Co. of Chicago.

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