Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688041 | Demarcation lighting system | — | 1997-11-18 |
| D293144 | Paint container and cover therefor | Helmut H. Papke, Siegfried E. Arndt, Claus D. Krueger | 1987-12-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688041 | Demarcation lighting system | — | 1997-11-18 |
| D293144 | Paint container and cover therefor | Helmut H. Papke, Siegfried E. Arndt, Claus D. Krueger | 1987-12-08 |