Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5269940 | Complete mix flocculation process | Susumu Kawamura, John Stewart Lang | 1993-12-14 |
| 5183335 | Hydraulic jet flash mixer with flow deflector | John Stewart Lang, Susumu Kawamura | 1993-02-02 |