Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4510620 | Handle for carrier bag and method of making handled carrier bag | Marinus J. M. Langen, by Leida Strauss, administrator | 1985-04-09 |
| D264654 | Checkout counter | Marinus J. M. Langen | 1982-06-01 |
| D263210 | Dolly for transporting coiled goods | Marinus J. M. Langen | 1982-03-02 |
| 4306633 | Bag transfer means | Marinus J. M. Langen | 1981-12-22 |
| 4230204 | Checkout counter with bag delivery means | Marinus J. M. Langen | 1980-10-28 |
| 4221321 | Paperbag having articulated handle | Marinus J. M. Langen | 1980-09-09 |