Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4457044 | Multiple flight elevator system | John L. Cottam, Leonard S. Cox, Richard B. Rosseau | 1984-07-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4457044 | Multiple flight elevator system | John L. Cottam, Leonard S. Cox, Richard B. Rosseau | 1984-07-03 |