Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10364128 | Method of installing a vertically extending member in an elevator system | Valery Sheynkman, Richard S. Blakelock, Douglas B. LaBrecque, Craig A. Buckley, William J. Derwin | 2019-07-30 |