Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635127 | Steel strapping and method of making | Jeffery W Doonan, Robert K Armstrong | 2003-10-21 |
| 4816090 | Heat treated cold rolled steel strapping | Jeffery W Doonan, Robert K Armstrong | 1989-03-28 |