Irvington Varnish & Insulator

Irvington

Active Patents

Total Holdings

Patent Holdings

Patent No.	Title	Status	Filing Date	Grant Date	Actions
US2369506A	Producing filaments from molten organic compositions	Expired / Lapsed	1941-11-15	1945-02-13	Details
US2234252A	Sized cloth base and product made therewith	Expired / Lapsed	1939-09-22	1941-03-11	Details
US1589692A	Choke-coil amplification unit	Expired / Lapsed	1925-08-27	1926-06-22	Details