Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4394262 | System for minimizing backwash water usage on self-cleaning strainers | Timothy L. Johnson | 1983-07-19 |
| 4328103 | Structural strainer | John B. Kraeling, Jr., Alexander B. Mann | 1982-05-04 |
| 4315820 | Self-cleaning strainer | Alexander B. Mann, John B. Kraeling, Jr. | 1982-02-16 |