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Central Scientific Co

Central Sc

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2051320A	Apparatus for using photoelectric cells quantitatively	Expired / Lapsed	1934-07-02	1936-08-18	0	Details
US2012112A	Thermometer	Expired / Lapsed	1932-05-16	1935-08-20	0	Details
US1968039A	Educational apparatus	Expired / Lapsed	1933-02-06	1934-07-31	0	Details
US1184430A	Temperature-control mechanism.	Expired / Lapsed	1914-06-18	1916-05-23	0	Details