Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D369776 | Passenger aircraft | Roger Kraft, Jeffrey D. Ackland, Harold E. Kraft | 1996-05-14 |
| D354936 | Passenger aircraft | Roger Kraft, Jeffrey D. Ackland, Harold E. Kraft | 1995-01-31 |
| 4523538 | Torpedo launcher | Francis J. Waclawik | 1985-06-18 |
| 4453449 | Holding apparatus | — | 1984-06-12 |