Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810315 | Method for making a web of plastic material | Arthur A. Zufang | 1989-03-07 |
| 4609423 | Apparatus for making a web of plastic material | Arthur A. Zufang | 1986-09-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810315 | Method for making a web of plastic material | Arthur A. Zufang | 1989-03-07 |
| 4609423 | Apparatus for making a web of plastic material | Arthur A. Zufang | 1986-09-02 |