Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D655364 | Buoyant assistive device | — | 2012-03-06 |
| 6550376 | Twin screw press with interrupted flights | — | 2003-04-22 |
| 6117321 | External tension adjustment device for a filtering sleeve in a filtering machine | — | 2000-09-12 |
| 6023932 | Topical cooling device | — | 2000-02-15 |
| 5140630 | Added main line apparatus | James L. Fry, Larry Martin | 1992-08-18 |
| 4880149 | Liquid metering device | John Scholefield | 1989-11-14 |
| 4841905 | Sample processing unit | John Scholefield | 1989-06-27 |
| 4305872 | Polypeptide derivatives | James L. Balk, John T. Pelton | 1981-12-15 |