Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8327583 | Counter weight door and pulley assembly therefore | Dennis Braun, Richard Klassen, Walter Toews | 2012-12-11 |
| 6684931 | Counter weight door | Abram H. Enns, Dennis Braun, Richard Klassen, Walter Toews, Len Neufeld | 2004-02-03 |