Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865724 | Metal working machine liquid filtering device with coalescer, filter, and time delayer | Merlin P. Hoodlebrink | 1989-09-12 |
| 4826117 | Clamp assembly and method for installing the assembly | John M. Bastian | 1989-05-02 |