Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4709723 | Septic tank for alternative sewer systems | H. John Sidaway | 1987-12-01 |
| 4359167 | Subterranean plastic tank | James L. Fouss, John J. Parker | 1982-11-16 |
| 4254885 | Subterranean plastic tank | James L. Fouss, John J. Parker | 1981-03-10 |