Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6796740 | Method of and apparatus for applying visual indication means to a surface | Colin William Yob, Robert Alexander Carnaby | 2004-09-28 |
| 5098873 | Low cement refractory | Leslie C. Edwards, Raymond Walter Shaw | 1992-03-24 |
| 4880541 | Hot filter media | Kevin D. Watson, Raymond Walter Shaw | 1989-11-14 |