Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484125 | Service information derived from elevator operational parameters | Juan A. Lence Barreiro, Chouhwan Moon, Ronald R. Pepin, Gary L. Freeland, Robert H. Mashiak | 2002-11-19 |