KANSAS CITY TESTING LAB
KANSAS CITActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2805972A | Pipe lines and sheathing material therefor | Expired / Lapsed | 1950-07-17 | 1957-09-10 | 2 | Details |
| US2670489A | Brush and synthetic bristles for imparting antiseptic prope… | Expired / Lapsed | 1946-04-11 | 1954-03-02 | 2 | Details |
| US2665124A | Method of winning potassium chloride from underground depos… | Expired / Lapsed | 1948-07-10 | 1954-01-05 | 2 | Details |
| US2262942A | Navigation instrument | Expired / Lapsed | 1938-02-28 | 1941-11-18 | 0 | Details |
| US2237440A | Automatic control instrument | Expired / Lapsed | 1938-02-28 | 1941-04-08 | 0 | Details |
| US2121771A | Photoelectric haze penetrator | Expired / Lapsed | 1934-07-27 | 1938-06-21 | 0 | Details |