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NORDEN LAB CORP

NORDEN LAB

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2659043A	Apparatus for converting direct current into alternating cu…	Expired / Lapsed	1949-10-01	1953-11-10	2	Details
US2561140A	Variable resistor	Expired / Lapsed	1949-07-30	1951-07-17	0	Details
US2558850A	Vertical velocity control for aircraft	Expired / Lapsed	1946-07-22	1951-07-03	0	Details
US2498967A	Potentiometer	Expired / Lapsed	1949-12-10	1950-02-28	0	Details
US2499222A	Follow-up system	Expired / Lapsed	1946-07-17	1950-02-28	0	Details