Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4642436 | Automatic metallic honeycomb core manufacturing machine | William F. Rethwish | 1987-02-10 |
| 4346444 | Constant thrust adaptive control machine tool | John D. Beyer | 1982-08-24 |