Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966292 | Power bus system in a tower building block system | Mark F. Amberg, Dwayne Howard Swanson | 1999-10-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966292 | Power bus system in a tower building block system | Mark F. Amberg, Dwayne Howard Swanson | 1999-10-12 |