Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6709211 | Girt or purlin retainer and method of using same | David R. Bergholz | 2004-03-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6709211 | Girt or purlin retainer and method of using same | David R. Bergholz | 2004-03-23 |