Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4229187 | Movable, continuously changing, self-charging electrostatic filter | Joseph M. Gamewell | 1980-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4229187 | Movable, continuously changing, self-charging electrostatic filter | Joseph M. Gamewell | 1980-10-21 |