Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338015 | Lifting device including a multiple-axis motion module | Reinald D. Liegel, James C. Graham, Craig A. Wisner, Jeffrey V. Russell | 1994-08-16 |
| 5317891 | Free standing pull tower | Craig A. Wisner | 1994-06-07 |