Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6281475 | Pipe stand instrument heater and mounting system | Bryan J. Campbell, Roy E. Barth, Ronald W. Zaborowski, Charles M. Bonorden, David L. Schlameus | 2001-08-28 |
| 6196297 | Pipe stand instrument heater and mounting system | Bryan J. Campbell, Roy E. Barth, Ronald W. Zaborowski, Charles M. Bonorden, David L. Schlameus | 2001-03-06 |