Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061153 | Aircraft propeller assembly with blade pitch reset for ground idle | Loy D. Pace, Earl W. Jones, Dennis S. Zimpfer | 1991-10-29 |
| 4904157 | Aircraft propeller assembly with blade pitch reset for ground idle | Loy D. Pace, Earl W. Jones, Dennis S. Zimpfer | 1990-02-27 |
| 4699568 | Aircraft propeller with improved spinner assembly | W. Benjamin Harlamert | 1987-10-13 |
| 4471977 | Flexible form assembly | — | 1984-09-18 |
| 4426072 | Glue application system for a collating machine | Robert C. Cole, Richard A. Gaspar, John L. Trentman | 1984-01-17 |