HONORARY ADVISORY COUNCIL FOR SCIENTIFIC AND INDUSTRIAL RESEARCH
HONORARY AActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2620924A | Sorting machine for paper forms | Expired / Lapsed | 1949-07-11 | 1952-12-09 | 0 | Details |
| US2612458A | Method and composition for rendering window surfaces water … | Expired / Lapsed | 1947-06-18 | 1952-09-30 | 2 | Details |
| US2494082A | High-speed camera | Expired / Lapsed | 1947-06-28 | 1950-01-10 | 0 | Details |
| US2478545A | Ophthalmic camera with adjustable light support | Expired / Lapsed | 1945-11-08 | 1949-08-09 | 0 | Details |
| US2437462A | Demand valve | Expired / Lapsed | 1945-03-23 | 1948-03-09 | 0 | Details |
| US2406367A | Prevention and removal of ice or frost on aircraft parts | Expired / Lapsed | 1944-11-10 | 1946-08-27 | 0 | Details |
| US2393868A | Heating system for refrigerator cars | Expired / Lapsed | 1942-07-09 | 1946-01-29 | 0 | Details |
| US2393100A | Production of laminated structures | Expired / Lapsed | 1943-08-06 | 1946-01-15 | 0 | Details |
| US2354109A | Method of forming selenium coatings | Expired / Lapsed | 1941-12-24 | 1944-07-18 | 0 | Details |