Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4308142 | Back-flush filtering apparatus, particularly for a house water supply system | Bernhard W. Braukmann | 1981-12-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4308142 | Back-flush filtering apparatus, particularly for a house water supply system | Bernhard W. Braukmann | 1981-12-29 |