Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9643235 | Checker balloon winding machine | David M. Graves, Robert G. Lerdahl, Phillip E. Carr, Jo Ann Kelly | 2017-05-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9643235 | Checker balloon winding machine | David M. Graves, Robert G. Lerdahl, Phillip E. Carr, Jo Ann Kelly | 2017-05-09 |