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US Patent: 1,991,614
Oil check for bearings
Patentees:
Adam A. Breuer (exact or similar names) - Chicago, IL
Tage G. Jonn (exact or similar names) - Chicago, IL

USPTO Classifications:
277/430, 384/487

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine lubrication

Assignees:
None

Manufacturer:
Breuer Electric Mfg. Co. - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 30, 1934
Granted: Feb. 19, 1935

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Breuer Electric Mfg. Co.

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