Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41760 | Bi-directional magnetic sample rack conveying system | David Thompson, Tumkur R. Vijay, William D. Dunfee | 2010-09-28 |
| 6571934 | Bi-directional magnetic sample rack conveying system | David Thompson, Tumkur R. Vijay, William D. Dunfee | 2003-06-03 |