Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5223776 | Six-degree virtual pivot controller | Robert E. DeMers, David J. Lowry, William C. Marshall, Jr., Jon M. Blomberg | 1993-06-29 |
| 4962448 | Virtual pivot handcontroller | Joseph T. DeMaio, Jr., James J. Tauer | 1990-10-09 |