Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8959864 | Crack resistant member and tower | Bill Damon Johnston, George Albert Goller | 2015-02-24 |
| 8726610 | Crack-resistant member, a method of preventing crack propagation, and a method of assembling a tower | Bill Damon Johnston, George Albert Goller | 2014-05-20 |