Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085293 | Apparatus for automatically sealing the space between an elevator shaft and an elevator car | — | 1992-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085293 | Apparatus for automatically sealing the space between an elevator shaft and an elevator car | — | 1992-02-04 |