Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5395648 | Ceramic-ceramic composite prepregs and methods for their use and preparation | Marvin Pennell, Gary L. Patz | 1995-03-07 |
| 5152556 | High temperature tubing joint with threaded, split collar | Richard W. Holland, Stephen S. Tan | 1992-10-06 |
| 5104636 | Method of making aluminum oxide precursors | Marvin Pennell | 1992-04-14 |
| 4983422 | Process for forming aluminum oxide ceramic composites | Marvin Pennell | 1991-01-08 |
| 4963301 | Method for fabrication of refractory composite tubing | James M. Barrier | 1990-10-16 |
| 4837230 | Structural ceramic materials having refractory interface layers | Shih-Huei Chen | 1989-06-06 |