Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4249953 | Air pore lacquers containing white pigments or white fillers | Siegfried Keifer | 1981-02-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4249953 | Air pore lacquers containing white pigments or white fillers | Siegfried Keifer | 1981-02-10 |