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MASTER ELECTRIC CO

MASTER ELE
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2213621A Switching mechanism Expired / Lapsed 1937-07-21 1940-09-03 0 Details
US2137949A Steering wheel supporting device for testing apparatus Expired / Lapsed 1933-01-06 1938-11-22 0 Details