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US Patent: 2,301,156
Ventilation system for portable power tools
Patentee:
George D. Behlen (exact or similar names) - Chicago, IL

USPTO Classifications:
310/227, 310/50, 310/62

Tool Categories:
handheld power tools

Assignees:
None

Manufacturer:
United States Electrical Tool Co. - Cincinnati, OH

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 04, 1940
Granted: Nov. 03, 1942

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for United States Electrical Tool Co.
Description:
George D. Behlen had been working for United States Electrical Tool Co., and while his earlier patents were assigned to that firm, this and later Behlen patents were not so assigned. We do not know if this patent was used by that company or by any other maker.

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