Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007121 | Rotatable seal | Richard Dreisbach, George Lundberg | 1999-12-28 |
| 6000736 | Rotatable seal | Jeremy Phelps Leon, Peter Farbaniec, Richard Dreisbach, Louis Mattos, Jr., George Lundberg +1 more | 1999-12-14 |