Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4720252 | Slotted melt-blown die head | David W. Appel, Jark C. Lau | 1988-01-19 |
| 4572521 | T-Seal for polymeric extrusion system | Edward H. Ruscher | 1986-02-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4720252 | Slotted melt-blown die head | David W. Appel, Jark C. Lau | 1988-01-19 |
| 4572521 | T-Seal for polymeric extrusion system | Edward H. Ruscher | 1986-02-25 |