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Richardson Co

Richardson

Active Patents

0

Total Holdings

16

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3091301A	Automatic feed rate compensation for automatic weighing sys…	Expired / Lapsed	1961-11-24	1963-05-28	2	Details
US3044922A	Method of making molded bearings	Expired / Lapsed	1959-10-12	1962-07-17	2	Details
US3007828A	Synthetic laminate	Expired / Lapsed	1958-09-02	1961-11-07	2	Details
US2707201A	Porous storage battery separator and method of making	Expired / Lapsed	1951-05-05	1955-04-26	1	Details
US2464783A	Rubber coated resin saturated sheet and process of making t…	Expired / Lapsed	1945-02-28	1949-03-22	0	Details
US2297326A	Valved nonoverfill structure	Expired / Lapsed	1939-11-16	1942-09-29	0	Details
US2233206A	Bearing material	Expired / Lapsed	1936-07-30	1941-02-25	0	Details
US2212402A	Device for treating storage battery cell covers	Expired / Lapsed	1937-12-31	1940-08-20	0	Details
US2064162A	Apparatus for controlling the temperature of plastic materi…	Expired / Lapsed	1932-02-09	1936-12-15	0	Details
US1962660A	Carton and method of sealing it	Expired / Lapsed	1929-03-23	1934-06-12	0	Details
US1949249A	Fibrous composition and process of manufacture	Expired / Lapsed	1928-10-23	1934-02-27	0	Details
US1925584A	Production of pulps containing thermoplastic substances	Expired / Lapsed	1932-06-25	1933-09-05	0	Details
US1919070A	Hydraulic press	Expired / Lapsed	1930-03-01	1933-07-18	0	Details
US1631628A	Coloring granulated mineral, particularly slate	Expired / Lapsed	1925-07-21	1927-06-07	0	Details
US1572425A	Process for coloring mineral matter	Expired / Lapsed	1925-07-27	1926-02-09	0	Details
US1571667A	Building board and method of making it	Expired / Lapsed	1920-04-17	1926-02-02	0	Details