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SR Dresser Manufacturing Co

SR Dresser
Active Patents
0
Total Holdings
11

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2269695A Insulating coupling Expired / Lapsed 1941-04-04 1942-01-13 0 Details
US2268263A Pipe fitting Expired / Lapsed 1941-05-15 1941-12-30 0 Details
US2192565A Threaded follower pipe joint or fitting Expired / Lapsed 1938-04-06 1940-03-05 0 Details
US2009744A Repair device for pipe lines Expired / Lapsed 1931-06-25 1935-07-30 0 Details
US1984806A Gasket for pipe joints and clamps Expired / Lapsed 1933-06-03 1934-12-18 0 Details
US1942489A Gasket Expired / Lapsed 1932-08-23 1934-01-09 0 Details
US1940729A Split sleeve for repairing pipe joints Expired / Lapsed 1931-03-20 1933-12-26 0 Details
US1671789A Wrought-metal connection for plain-end pipe sections Expired / Lapsed 1924-03-04 1928-05-29 0 Details
US1058683A Rubber-packed coupling for lock-bar pipe. Expired / Lapsed 1909-10-14 1913-04-08 0 Details
US1051086A Repair device for pipe-lines. Expired / Lapsed 1912-01-23 1913-01-21 0 Details
US854936A Coupling for bell and spigot pipes. Expired / Lapsed 1905-09-05 1907-05-28 0 Details