Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10494228 | Guiding devices for elevator systems having roller guides and motion sensors | Bruce P. Swaybill, Patricia Derwinski, Philip R. James | 2019-12-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10494228 | Guiding devices for elevator systems having roller guides and motion sensors | Bruce P. Swaybill, Patricia Derwinski, Philip R. James | 2019-12-03 |