Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4406410 | Method and apparatus for adding and mixing second cohesive powders in a fluidized bed blender | Richard I. Larson, Henry C. Brassfield | 1983-09-27 |
| 4182383 | Fluidized bed powder discharge and metering method and apparatus | Richard I. Larson | 1980-01-08 |