Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D379492 | Stop-cock valve | Clarence L. Walker, Frederick F. Schweitzer, Jr. | 1997-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D379492 | Stop-cock valve | Clarence L. Walker, Frederick F. Schweitzer, Jr. | 1997-05-27 |