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Tri Tech Inc

Tri Tech I

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3671841A	Stepper motor with stator biasing magnets	Expired / Lapsed	1970-05-01	1972-06-20	25	Details
US3643420A	Clock system	Expired / Lapsed	1969-10-14	1972-02-22	28	Details
US3495107A	Cylindrical stepper motor having a stator biasing magnet	Expired / Lapsed	1969-04-28	1970-02-10	0	Details
US3316902A	Monitoring system for respiratory devices	Expired / Lapsed	1963-03-25	1967-05-02	2	Details