Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300738 | Apparatus for registering and indicating hall calls at an elevator entryway with a ticket dispenser | John Edward Chapman | 1994-04-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300738 | Apparatus for registering and indicating hall calls at an elevator entryway with a ticket dispenser | John Edward Chapman | 1994-04-05 |