Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873800 | Loading dock seal | Kenneth Lenz | 1989-10-17 |
| 4825607 | Molded modular dock shelter | Robert J. Frommelt | 1989-05-02 |
| 4805362 | Hook seal for loading dock shelter | Floyd D. West | 1989-02-21 |
| 4799341 | Wedge seal for loading dock shelter | Kenneth Lenz | 1989-01-24 |