Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842135 | Carrier tape and cover applying and removal devices for same | Herbert A. Borst, Zdenek Machacek, Ernest Schnittger, Richard D. Schulte, Paul A. Tilman | 1989-06-27 |
| 4822539 | Method of and apparatus for extruding bag making material having fastener profiles and alignment ribs, with reinforcing and stabilizing beam effect ridge means | Paul A. Tilman, Zdenek Machacek | 1989-04-18 |