Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314396 | Separable blade agitator assembly and disassembly method | Erwin J. Nunlist, Edward S. Harrison | 1982-02-09 |
| 4221488 | Separable blade agitator and method and means for assembly | Erwin J. Nunlist, Edward S. Harrison | 1980-09-09 |