Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342562 | Package and method and apparatus for manufacturing the same | Leif U. R. Widlund | 1982-08-03 |
| D254807 | Diaper for babies | John Kvamme, Leif U. R. Widlund, Hans E. Walden | 1980-04-22 |