Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5953868 | Loading dock seal assembly | Jon Giuliani, William Triervieler, David Hoffman, Thomas J. Boffeli, Thomas J. Medley +2 more | 1999-09-21 |
| 5622016 | Gutter and seal assembly | William Triervieler, David J. Hoffmann, Kenneth Lenz, Thomas J. Medley, Thomas J. Boffeli | 1997-04-22 |
| 5394662 | Seal assembly for a loading dock shelter | Jon Giuliani, William Triervieler, David J. Hoffmann, Thomas J. Boffeli, Thomas J. Medley +2 more | 1995-03-07 |
| 4825607 | Molded modular dock shelter | John A. Frommelt | 1989-05-02 |
| 4750299 | Air perimeter seal for opening | John A. Frommelt | 1988-06-14 |
| 4718207 | Loading dock shelters | — | 1988-01-12 |
| 4601142 | Loading dock shelters | — | 1986-07-22 |