Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5451133 | Docking apparatus | Fredric Salsburg, William E. Roberts | 1995-09-19 |
| 5413450 | Apparatus for transporting a load | Fredric Salsburg, William E. Roberts, Robert B. Overbeek | 1995-05-09 |