Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5263404 | Anti-rotation wiper ring | Frank R. Van Vleet, Daniel E. Shannon | 1993-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5263404 | Anti-rotation wiper ring | Frank R. Van Vleet, Daniel E. Shannon | 1993-11-23 |