Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7230808 | Grounding of electrical structures | Norman Kirby, Fu Tian, Walter Coffer | 2007-06-12 |
| 6942428 | Conductor polymer backfill composition and method of use as a reinforcement material for utility poles | Norman Kirby, Richard Alwyn Owen | 2005-09-13 |
| 6908261 | Conductor polymer backfill composition and method of use as a reinforcement material for utility poles | Norman Kirby, Richard Alwyn Owen, Fu Tian | 2005-06-21 |
| RE35322 | Method and apparatus for composite pole repair | Richard Alwyn Owen | 1996-09-03 |
| 5350691 | Method for abandoning an underground storage tank | Dudley B. Pate | 1994-09-27 |
| 5238842 | Method for abandoning an underground storage tank | — | 1993-08-24 |
| 5027575 | Method and apparatus for composite pole repair | Richard Alwyn Owen | 1991-07-02 |
| 4918883 | Apparatus for composite pole repair | Richard Alwyn Owen | 1990-04-24 |