Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7230808 | Grounding of electrical structures | Fu Tian, Richard C. Hannay, Walter Coffer | 2007-06-12 |
| 6942428 | Conductor polymer backfill composition and method of use as a reinforcement material for utility poles | Richard C. Hannay, Richard Alwyn Owen | 2005-09-13 |
| 6908261 | Conductor polymer backfill composition and method of use as a reinforcement material for utility poles | Richard C. Hannay, Richard Alwyn Owen, Fu Tian | 2005-06-21 |
| 5466094 | Method of setting, resetting and protecting poles in the ground with foam polyurethane resins | Richard S. Schmidt | 1995-11-14 |
| 4966497 | Method of setting, resetting and protecting poles in the ground with foam polyurethane resins | — | 1990-10-30 |