Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D268668 | Control panel for elevator systems | Allan L. McCroskery, Theodore N. Knerr | 1983-04-19 |
| D268025 | Control panel for elevator systems | Allan L. McCroskery, Theodore N. Knerr | 1983-02-22 |
| D268026 | Control panel for elevator systems | Allan L. McCroskery, Theodore N. Knerr | 1983-02-22 |
| D267870 | Control panel for elevator systems | Allan L. McCroskery, Theodore N. Knerr | 1983-02-08 |
| 4365691 | Integrated elevator cab fixture | Allan L. McCroskery, Theodore N. Knerr | 1982-12-28 |