Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5560088 | Coupling pieces for connecting containers | Julius Donner | 1996-10-01 |
| 5548877 | Rotary lock for releasably connecting corner fittings of containers stacked one upon the other | — | 1996-08-27 |