Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683030 | Stackable modular containers for collecting and segregating recyclable materials | Gregory Sierra, II, Harald Hinsberg | 1997-11-04 |
| 5595407 | Roof latching device | Gerhardus E. R. ter Horst | 1997-01-21 |