Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4460431 | Apparatus for forming transverse seam welds or separated transverse seam welds in tubular or semitubular plastic film webs | Josef Keller | 1984-07-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4460431 | Apparatus for forming transverse seam welds or separated transverse seam welds in tubular or semitubular plastic film webs | Josef Keller | 1984-07-17 |