Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879860 | Carton loading machines | Marinus J. M. Langen | 1989-11-14 |
| 4872301 | Packaging machinery and a method of making a wrap-around shipper package | Marinus J. M. Langen, Mihai M. Borza | 1989-10-10 |
| 4871070 | Carton end closure | Marinus J. M. Langen | 1989-10-03 |
| 4835947 | Load accumulator for carton loading machine | Marinus J. M. Langen | 1989-06-06 |
| 4805375 | Carton end closure | Marinus J. M. Langen | 1989-02-21 |