Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8046890 | Roping method and apparatus | Niko Korkeakangas | 2011-11-01 |
| 7886454 | Elevator hoistway installation guide systems, methods and templates | Scott Boucher, Angelika Osbon | 2011-02-15 |