Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4263076 | Polygonally wrapped sleeve, and methods and devices for making same | — | 1981-04-21 |
| 4260446 | Method and apparatus for producing a collapsibly foldable packaging sleeve having a polygonal cross-section | — | 1981-04-07 |
| 4255223 | Method and apparatus for producing a collapsibly foldable packaging sleeve having a polygonal cross-section | — | 1981-03-10 |