Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7257990 | Accelerated ultralow moisture permeation measurement | Ralf Dunkel, William Raggio | 2007-08-21 |
| 7178384 | Method and apparatus for measuring ultralow permeation | Ralf Dunkel | 2007-02-20 |
| 6804989 | Method and apparatus for measuring ultralow water permeation | Ralf Dunkel | 2004-10-19 |
| 5308586 | Electrostatic separator using a bead bed | G. Ray Fritsche, Giovanni C. Caprioglio | 1994-05-03 |
| 5133993 | Fiber-reinforced refractory composites | Holger H. Streckert | 1992-07-28 |