Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6997872 | Variable force surgical retractor assembly | Kenneth F. Kovach, Daniel Furst | 2006-02-14 |
| 6632170 | Articulated arm for holding surgical instruments | Daniel N. Kelsch, Alexander K. Smith | 2003-10-14 |
| D444233 | Articulated arm for holding surgical instruments | — | 2001-06-26 |