Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9938767 | Object transfer system for a flight of steps | Donald K. Crenshaw, Janice A. Goegan | 2018-04-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9938767 | Object transfer system for a flight of steps | Donald K. Crenshaw, Janice A. Goegan | 2018-04-10 |