Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6355929 | Method for forming a seat in a pulsed sampling valve | Duane P. Littlejohn | 2002-03-12 |
| 5949082 | Ceramic radiation source assembly with metalized seal for gas spectrometer | G. Lamar Kirchhevel | 1999-09-07 |
| 4995547 | Process for brazing a metal object to a ceramic surface defining a hole for receiving the metal object | Thomas A. Wilke | 1991-02-26 |