Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619687 | Queue system having a time-out feature and method therefor | John A. Langan, James M. Sibigtroth | 1997-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619687 | Queue system having a time-out feature and method therefor | John A. Langan, James M. Sibigtroth | 1997-04-08 |