Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879573 | Clamping frame for contact printers of working masks | — | 1989-11-07 |
BS
Bohumil Slavata
Overall (1989): #38,867 of 140,708Top 30%
1
Patents 1989