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MARKIA Corp

MARKIA Cor

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2267823A	Scanning device for television	Expired / Lapsed	1936-12-10	1941-12-30	0	Details
US2211926A	Television-facsimile system	Expired / Lapsed	1936-11-10	1940-08-20	0	Details
US2203352A	Method and apparatus for producing echo effects	Expired / Lapsed	1936-12-18	1940-06-04	0	Details
US2155126A	Sound and television receiving system	Expired / Lapsed	1936-08-12	1939-04-18	0	Details