Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363771 | Motorized portable system for aiding persons in ascending or descending stairways | Robert C. Warren, Stanley E. Farmer | 1994-11-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363771 | Motorized portable system for aiding persons in ascending or descending stairways | Robert C. Warren, Stanley E. Farmer | 1994-11-15 |