Issued Patents All Time
Showing 251–254 of 254 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801187 | System and method of interactive evaluation and manipulation of a geometric model | Paul Stewart, Yifan Chen | 2004-10-05 |
| RE37528 | Direct-drive manipulator for pen-based force display | Blake Hannaford | 2002-01-22 |
| 5973678 | Method and system for manipulating a three-dimensional object utilizing a force feedback interface | Paul Stewart, Yifan Chen | 1999-10-26 |
| 5642469 | Direct-drive manipulator for pen-based force display | Blake Hannaford | 1997-06-24 |