Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304486 | Housing for a shut-off valve | Harold E. Damratowski | 1989-11-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304486 | Housing for a shut-off valve | Harold E. Damratowski | 1989-11-07 |