Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D254807 | Diaper for babies | John Kvamme, Leif U. R. Widlund, Tor A. Froidh | 1980-04-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D254807 | Diaper for babies | John Kvamme, Leif U. R. Widlund, Tor A. Froidh | 1980-04-22 |