Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4958742 | Container with safety valve | Winfried Lewe | 1990-09-25 |
| 4807777 | Safety transport system for hazardous or valuable chemicals | Winfried Lewe | 1989-02-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4958742 | Container with safety valve | Winfried Lewe | 1990-09-25 |
| 4807777 | Safety transport system for hazardous or valuable chemicals | Winfried Lewe | 1989-02-28 |