Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645509 | Prosthetic foot having a cantilever spring keel | Donald L. Poggi, Ernest M. Burgess, David E. Moeller | 1987-02-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645509 | Prosthetic foot having a cantilever spring keel | Donald L. Poggi, Ernest M. Burgess, David E. Moeller | 1987-02-24 |