Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6146099 | Frangible fan blade | Robert H. Zipps, Reginald H. Spaulding, Robert F. Kasprow, Herman C. Klapproth, Douglas A. Welch +2 more | 2000-11-14 |
| 5836744 | Frangible fan blade | Robert H. Zipps, Reginald H. Spaulding, Robert F. Kasprow, Herman C. Klapproth, Douglas A. Welch +2 more | 1998-11-17 |