Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8456289 | Apparatus and method for providing haptic function in a portable terminal | — | 2013-06-04 |
| RE33664 | Data shifting and rotating apparatus | Robert H. Krambeck, Alfred Y. Kwan | 1991-08-13 |
| 4396994 | Data shifting and rotating apparatus | Robert H. Krambeck | 1983-08-02 |