Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6146099 | Frangible fan blade | Robert H. Zipps, Edward S. Todd, Robert F. Kasprow, Herman C. Klapproth, Douglas A. Welch +2 more | 2000-11-14 | $106,839,000 |
| 5836744 | Frangible fan blade | Robert H. Zipps, Edward S. Todd, Robert F. Kasprow, Herman C. Klapproth, Douglas A. Welch +2 more | 1998-11-17 | $24,334,000 |