Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5513269 | Consumer appliance having both explanatory comment and extra-linguistic signalization upon actuation thereof and reversible stepping between those two | Johannes A. M. Kemp, Cornelis J. Van Deemter | 1996-04-30 |