Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6067844 | Nondestructive method for detection of defects and the condition of liners in polymer-lined pipes and equipment | Paul A. Westbrook | 2000-05-30 |
| 4692988 | Screw thread protection | John Misselbrook, Robert Standen | 1987-09-15 |