Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D283621 | Air cleaner | Daniel S. Gauer, Steven Alseth | 1986-04-29 |
| 4460390 | Two stage air cleaner with side-by-side elements | Steven Alseth, Daniel S. Gauer | 1984-07-17 |
| 4350509 | Disposable air cleaner | Steven Alseth | 1982-09-21 |
| 4261710 | Two-stage air cleaner and method of preventing contamination of a safety filter | — | 1981-04-14 |