Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465597 | Treatment of industrial wastewaters | Stewart T. Herman, James B. Pfeiffer, Richard T. Sewald, Sr. | 1984-08-14 |
| 4279703 | Apparatus for the distillation of weak ammonia liquor | Daniel Kwasnoski, Russel J. Horst, Kenneth R. Burcaw, Jr. | 1981-07-21 |
| 4277311 | Apparatus for distillation | Daniel Kwasnoski | 1981-07-07 |