Brown Co
Brown CoActive Patents
0
Total Holdings
21
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2757086A | Method of wet-strengthening paper with high molecular weigh… | Expired / Lapsed | 1950-08-19 | 1956-07-31 | 2 | Details |
| US2215136A | Manufacture of wet-strengthened paper | Expired / Lapsed | 1937-07-19 | 1940-09-17 | 0 | Details |
| US2064360A | Manufacture of smooth-faced webs of interfelted fiber | Expired / Lapsed | 1934-07-25 | 1936-12-15 | 0 | Details |
| US2057166A | Manufacture of sheeted fiberbinder products | Expired / Lapsed | 1931-02-27 | 1936-10-13 | 0 | Details |
| US2031854A | Surface-finished paper | Expired / Lapsed | 1931-09-11 | 1936-02-25 | 0 | Details |
| US2015440A | Finishing of artificial leather | Expired / Lapsed | 1932-04-11 | 1935-09-24 | 0 | Details |
| US1990248A | Waterproof fibrous tubing and method of making the same | Expired / Lapsed | 1930-04-25 | 1935-02-05 | 0 | Details |
| US1980881A | Manufacture of waterlaid fibrous webs | Expired / Lapsed | 1931-11-25 | 1934-11-13 | 0 | Details |
| US1977221A | Paper manufacture | Expired / Lapsed | 1932-11-05 | 1934-10-16 | 0 | Details |
| US1964793A | Glycerinated paper | Expired / Lapsed | 1932-01-30 | 1934-07-03 | 0 | Details |
| US1923622A | Artificial leather manufacture | Expired / Lapsed | 1929-01-16 | 1933-08-22 | 0 | Details |
| US1915451A | Method of and means for directing and accumulating strand m… | Expired / Lapsed | 1930-12-22 | 1933-06-27 | 0 | Details |
| US1888771A | Manufacture of felted fibrous sheet material of high absorp… | Expired / Lapsed | 1931-08-05 | 1932-11-22 | 0 | Details |
| US1881915A | Coupling for fiber pipe | Expired / Lapsed | 1930-03-21 | 1932-10-11 | 0 | Details |
| US1855205A | Differential pressure gauge for corrosive fluids | Expired / Lapsed | 1926-12-11 | 1932-04-26 | 0 | Details |
| US1821234A | Multiple conduit | Expired / Lapsed | 1927-10-29 | 1931-09-01 | 0 | Details |
| US1780948A | Method of and apparatus for making conduits by extrusion | Expired / Lapsed | 1926-08-05 | 1930-11-11 | 0 | Details |
| US1765776A | Liquid-flow meter | Expired / Lapsed | 1926-01-23 | 1930-06-24 | 0 | Details |
| US1745557A | Paper towel and process of producing the same | Expired / Lapsed | 1926-04-28 | 1930-02-04 | 0 | Details |
| US1710272A | Recovery of valuable products from spent sulphite liquors | Expired / Lapsed | 1927-01-06 | 1929-04-23 | 0 | Details |
| US1701543A | Process of conditioning cellulose fiber for conversion into… | Expired / Lapsed | 1926-10-09 | 1929-02-12 | 0 | Details |