Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10384911 | Elevator system having lockdown mode | Benjamin Saperstein, Donald Hagney | 2019-08-20 |
| 5791878 | Airfoiled blade for cargo transport aircraft | Harry S. Wainauski | 1998-08-11 |