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Koehring Co

Koehring C
Active Patents
0
Total Holdings
5

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3072145A Flow control device Expired / Lapsed 1958-04-30 1963-01-08 2 Details
US3002575A Multiple material batcher control Expired / Lapsed 1956-03-05 1961-10-03 0 Details
US2728463A Combined truck and crane Expired / Lapsed 1948-04-12 1955-12-27 0 Details
US2570191A Detachable driving axle unit Expired / Lapsed 1948-07-13 1951-10-09 0 Details
US1533464A Finishing machine Expired / Lapsed 1923-02-02 1925-04-14 0 Details