Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5476526 | Adjustable filter frame and grid | — | 1995-12-19 |
| 5451929 | Smoke alarm and air cleaning device | Roger A. Adelman, Michael S. Duty | 1995-09-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5476526 | Adjustable filter frame and grid | — | 1995-12-19 |
| 5451929 | Smoke alarm and air cleaning device | Roger A. Adelman, Michael S. Duty | 1995-09-19 |