Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8052820 | Method of making a load bearing member for an elevator system | Hugh J. O'Donnell | 2011-11-08 |
| 7971687 | Elevator belt assembly with noise reducing groove arrangement | Goldino Alves, Ary O. Mello, Xiaodong Luo, Bill Perron, Hugh J. O'Donnell +5 more | 2011-07-05 |