Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10563535 | Keystoned blade track | Daniel K. Vetters, Aaron D. Sippel, David J. Thomas, Andrew J. Eifert, Paul A. Davis +4 more | 2020-02-18 |
| 10550709 | Full hoop blade track with flanged segments | Daniel K. Vetters, Aaron D. Sippel, David J. Thomas, Andrew J. Eifert, Paul A. Davis +7 more | 2020-02-04 |