Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354520 | Pressure/demand exhalation valve | — | 1982-10-19 |
| 4343586 | Dumping apparatus and method | Merlin G. Hoiseth | 1982-08-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354520 | Pressure/demand exhalation valve | — | 1982-10-19 |
| 4343586 | Dumping apparatus and method | Merlin G. Hoiseth | 1982-08-10 |