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MAGNETONE Inc

MAGNETONE

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2419476A	Winding control means for magnetic recording and reproducin…	Expired / Lapsed	1946-01-31	1947-04-22	0	Details
US2380392A	Magnetic recording and reproducing	Expired / Lapsed	1943-07-21	1945-07-31	0	Details
US2356145A	Magnetic sound recording and reproducing	Expired / Lapsed	1940-06-12	1944-08-22	0	Details
US2224854A	Magnetic sound recording and reproducing	Expired / Lapsed	1938-03-24	1940-12-17	0	Details