Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347093 | Fuzzy tailoring of elevator passenger fuzzy sets | Bertram F. Kupersmith, David J. Sirag, Jr. | 1994-09-13 |
| 5274202 | Elevator dispatching accommodating interfloor traffic and employing a variable number of elevator cars in up-peak | James M. Collins | 1993-12-28 |
| 5258587 | Estimating elevator passengers from gender ratioed weight | Bertram F. Kupersmith, David J. Sirag, Jr. | 1993-11-02 |
| 5200583 | Adaptive elevator security system | Bertram F. Kupersmith, Jannah A. Stanley, David M. Hughes | 1993-04-06 |
| 5153390 | Method for avoiding terminal landing position initialization after power loss | William F. Barkman, Julian H. Shull | 1992-10-06 |