Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4195868 | Tubular closure mechanism | David D. Kalen | 1980-04-01 |
| 4196047 | Irradiation surveillance specimen assembly | David D. Kalen, Francis C. Klahn | 1980-04-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4195868 | Tubular closure mechanism | David D. Kalen | 1980-04-01 |
| 4196047 | Irradiation surveillance specimen assembly | David D. Kalen, Francis C. Klahn | 1980-04-01 |