Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484849 | Elevator speed measurement system including reflective signal technology for making speed determinations | Michael P. Flynn | 2002-11-26 |
| 6467585 | Wireless safety chain for elevator system | Michael Gozzo, Robert G. Morgan | 2002-10-22 |
| 6401875 | Absolute position sensing method and apparatus for synchronous elevator machines by detection stator iron saturation | Daryl J. Marvin, Mark Eugene Shepard, Todd Simonds, Vladan Petrovic | 2002-06-11 |