Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5782365 | Blade guide for a blade screen | Peter J. Zreloff, Alexander D. Cormack | 1998-07-21 |
| 5560729 | Elastomeric joint for a blade tensioning mechanism | Alexander D. Cormack | 1996-10-01 |
| 5398819 | Blade tensioning mechanism | Alexander D. Cormack | 1995-03-21 |