Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949620 | Edge-reinforced packing for use in steam service | George B. Champlin | 1990-08-21 |
| 4802398 | Diagonally reinforced mechanical packing | George B. Champlin | 1989-02-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949620 | Edge-reinforced packing for use in steam service | George B. Champlin | 1990-08-21 |
| 4802398 | Diagonally reinforced mechanical packing | George B. Champlin | 1989-02-07 |