Harper J Ransburg Co Inc
Harper J RActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2425652A | Method and apparatus for spray coating articles | Expired / Lapsed | 1944-01-22 | 1947-08-12 | 0 | Details |
| US2421787A | Electrostatic coating method | Expired / Lapsed | 1945-01-26 | 1947-06-10 | 0 | Details |
| US2417798A | Apparatus for coating articles | Expired / Lapsed | 1943-06-25 | 1947-03-18 | 0 | Details |
| US2359476A | Electrostatic method and apparatus | Expired / Lapsed | 1940-01-15 | 1944-10-03 | 0 | Details |
| US2334648A | Method of spray-coating articles | Expired / Lapsed | 1939-12-07 | 1943-11-16 | 0 | Details |
| US2270341A | Method of coating granular materials | Expired / Lapsed | 1939-12-02 | 1942-01-20 | 0 | Details |
| US2247963A | Apparatus for spray coating articles | Expired / Lapsed | 1939-06-29 | 1941-07-01 | 0 | Details |