Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5087102 | Continuous mining machine | — | 1992-02-11 |
| 4708706 | Apparatus for shaping wrappers for packages | Gerhard Doderer, Willi Krieger | 1987-11-24 |
HK
Heinz E. Kiefer
Overall (All Time): #2,307,002 of 4,157,543Top 60%
2
Patents All Time