Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11772937 | Elevator car door control system | Charles Mackenzie-Smith, Matthew Perillo, Andrew Goodwin | 2023-10-03 |
| 10835903 | In-line mill assembly with spreader ring | Dennis Engelmann, Eric Fleckten, Harun Bilirgen, Robert LeDain | 2020-11-17 |
| 10544010 | Method and system for elevator door locking and detection of elevator door locking state | Andrew Goodwin | 2020-01-28 |
| 9446383 | In-line mill assembly with spreader ring | Dennis Engelmann, Eric Fleckten, Harun Bilirgen, Robert LeDain | 2016-09-20 |
| 9079185 | In-line mill assembly with spreader ring | Dennis Engelmann, Eric Fleckten, Harun Biligren, Robert LeDain | 2015-07-14 |