Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611232 | Lock box locator | Richard E. Wunderlich | 2003-08-26 |
| 4773450 | Interlining of fluid transport pipelines, pipes, and the like | — | 1988-09-27 |
| 4640313 | Interlining of pipelines for transporting sewage, water, slurries, liquid and gaseous hydrocarbons, and the like | — | 1987-02-03 |
| 4386628 | Maintenance lining of passageways | — | 1983-06-07 |
| 4315355 | Strand crimping treatment | — | 1982-02-16 |