Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336967 | Structure for a multiple section photomultiplier tube | Charles M. Tomasetti, Donald B. Kaiser | 1994-08-09 |
| 5077504 | Multiple section photomultiplier tube | — | 1991-12-31 |
| 4855642 | Focusing electrode structure for photomultiplier tubes | Gilbert N. Butterwick | 1989-08-08 |
| 4680504 | Electron discharge device having a narrow range spectral response | Arthur F. McDonie | 1987-07-14 |