Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5944077 | Equipment including a motor-driven chain saw for cutting branches from and felling trees | Volker Rothkegel | 1999-08-31 |
| 5083546 | Two-stage high flow purge valve | Charles A. Detweiler, Richard A. Schultz | 1992-01-28 |
| 4979384 | Trunk lid lock with remote release | Michael W. Malesko, Ellsworth S. Miller, Michael Slavin, Rodney Hayden, Charles R. Martus | 1990-12-25 |
| 4971370 | Self-releasing deck lid latch | Charles A. Detweiler, Gerrit V. Beneker, Charles R. Martus | 1990-11-20 |
| 4916969 | Electric trolling motor steering handle | — | 1990-04-17 |
| 4531323 | Toy glider system | — | 1985-07-30 |