Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6237426 | Airflow sensor | Bogna Gryc, Alfred Theodor Dyck | 2001-05-29 |
| 6176777 | Self-modulating diffuser for air conditioning systems | Grant L. Smith, Eric G. Laflamme, Alfred Theodor Dyck, Bruce Kettner, Charles D. Fraley +1 more | 2001-01-23 |
| 4563562 | Hot wire welder | — | 1986-01-07 |
| 4377126 | Hard facing machine | — | 1983-03-22 |