Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804466 | Fluid filter with internal spacer | Richard D. Cooper | 1989-02-14 |
| 4600511 | Two-layer fluid filter with spacer | Victor Sherman | 1986-07-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804466 | Fluid filter with internal spacer | Richard D. Cooper | 1989-02-14 |
| 4600511 | Two-layer fluid filter with spacer | Victor Sherman | 1986-07-15 |