Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6532422 | Simultaneous injection method and system for a self-balancing rotatable apparatus | Michael Ray Elgersma, Dennice F. Gayme, Kevin J. Stalsberg | 2003-03-11 |
| 5561993 | Self balancing rotatable apparatus | Michael Ray Elgersma, Kevin J. Stalsberg | 1996-10-08 |