Siemens and Halske AG
Siemens anActive Patents
0
Total Holdings
5
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3193739A | Semiconductor device having four-layer components for obtai… | Expired / Lapsed | 1962-05-15 | 1965-07-06 | 2 | Details |
| US2242366A | Apparatus for testing magnetizable workpieces for cracks | Expired / Lapsed | 1937-10-20 | 1941-05-20 | 0 | Details |
| US2164595A | Method of coating electrodes | Expired / Lapsed | 1937-11-13 | 1939-07-04 | 0 | Details |
| US2050866A | Apparatus for testing the running of timepieces | Expired / Lapsed | 1934-02-19 | 1936-08-11 | 0 | Details |
| US1123067A | Means for adjusting from a distance any desired objects. | Expired / Lapsed | 1910-12-24 | 1914-12-29 | 0 | Details |