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Pitometer Log Corp

Pitometer

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2533998A	Ship's log	Expired / Lapsed	1946-12-16	1950-12-12	0	Details
US2487310A	Square root extracting device	Expired / Lapsed	1946-01-24	1949-11-08	0	Details
US2441632A	Reversible motor control system	Expired / Lapsed	1943-07-26	1948-05-18	0	Details
US2357199A	Ship's speed indicator	Expired / Lapsed	1943-04-05	1944-08-29	0	Details
US2269068A	Travel indicator for ships	Expired / Lapsed	1939-07-03	1942-01-06	0	Details