Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D266133 | End standard for a bench | William Koelbel | 1982-09-14 |
| 4326639 | Screw cap for bottle-type containers | Horst Schulz | 1982-04-27 |
| D259607 | End standard for a lounge seat | William Koelbel | 1981-06-23 |
| 4209115 | Two-part delivery outlet closure for containers | — | 1980-06-24 |