Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5559284 | Method for determining elongational viscosity and dynamic surface tension in liquid solutions | Raymond P. Tytus | 1996-09-24 |
| H976 | Apparatus and method for measuring elongational viscosity of a polymeric | Raymond P. Tytus | 1991-11-05 |
| H337 | Delayed swell viscometer | — | 1987-10-06 |
| H93 | Elongational rheometer | Jeffrey Harris | 1986-07-01 |
| 4454751 | Extrudate swell rheometer and method of using same | Jeffrey Harris | 1984-06-19 |
| 4200036 | Ventilation system for automated mining machines | Fred N. Kissell | 1980-04-29 |