Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4434398 | Porous passage means and method for particle analyzing systems | Robert H. Berg | 1984-02-28 |
| 4290011 | Particle length and volume comeasurement with controlled orientation | Robert H. Berg | 1981-09-15 |