Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5213506 | Binary educational device | Paul M. Lapsa, Jeanne W. Lapsa, Gaida T. Lapsa, Andrew Lapsa | 1993-05-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5213506 | Binary educational device | Paul M. Lapsa, Jeanne W. Lapsa, Gaida T. Lapsa, Andrew Lapsa | 1993-05-25 |