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EDWARD O NORRIS Inc

EDWARD O N

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2282203A	Stencil	Expired / Lapsed	1941-01-31	1942-05-05	0	Details
US2226383A	Process of producing foraminous sheets	Expired / Lapsed	1938-08-31	1940-12-24	0	Details
US2226382A	Matrix for electroforming foraminous sheets	Expired / Lapsed	1938-04-22	1940-12-24	0	Details
US2166366A	Means and method of producing metallic screens	Expired / Lapsed	1935-11-30	1939-07-18	0	Details