Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8794677 | Interchangeable fitting system and method | Thomas D. Halaczkiewicz, William R. Ehrgott | 2014-08-05 |
| 5063662 | Method of forming a hollow blade | James R. Dillner, Peter E. Leibfried, William R. Reimels, J. George Asfalg | 1991-11-12 |