Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347755 | Automatically actuated door arrangement | Dale R. Jaster, Ronald S. Maruszak | 1994-09-20 |
| 4674231 | Magnetic door opener | John R. Radek, Richard Maks | 1987-06-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347755 | Automatically actuated door arrangement | Dale R. Jaster, Ronald S. Maruszak | 1994-09-20 |
| 4674231 | Magnetic door opener | John R. Radek, Richard Maks | 1987-06-23 |