Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4286343 | Partition-wall arrangement | — | 1981-09-01 |
| 4198171 | Tooth-brush arrangement | Hildegard Lampka | 1980-04-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4286343 | Partition-wall arrangement | — | 1981-09-01 |
| 4198171 | Tooth-brush arrangement | Hildegard Lampka | 1980-04-15 |