Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345046 | Voice communication for elevator | Richard F. Rynaski | 1994-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345046 | Voice communication for elevator | Richard F. Rynaski | 1994-09-06 |