Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7260915 | Door seal device | Carl-Julius Cronenberg | 2007-08-28 |
| 4519165 | Sealing device for the bottom of a door | Dieter-Julius Cronenberg | 1985-05-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7260915 | Door seal device | Carl-Julius Cronenberg | 2007-08-28 |
| 4519165 | Sealing device for the bottom of a door | Dieter-Julius Cronenberg | 1985-05-28 |