Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484125 | Service information derived from elevator operational parameters | Harry Huang, Juan A. Lence Barreiro, Chouhwan Moon, Gary L. Freeland, Robert H. Mashiak | 2002-11-19 |
| 5817993 | Monitoring of elevator door reversal data | Sanjay Kamani, Patrick Lusaka | 1998-10-06 |
| 5760350 | Monitoring of elevator door performance | Robert H. Mashiak, Sanjay Kamani, Patrick Lusaka, Jean-Marie Rennetaud | 1998-06-02 |
| 5398782 | Remote monitoring system with variable period communication check | Samuel R. Talbot, Theresa M. Christy, Joseph Kronen | 1995-03-21 |