Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865241 | Method and apparatus for subdividing into pieces a ceramic plate | — | 1989-09-12 |
CH
Christian Hamel
Overall (1989): #126,476 of 140,708Top 90%
1
Patents 1989