Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4282890 | Open cell structure foamed cellulose acetate filters | Carl J. Howell, Jr., Jesse L. Riley | 1981-08-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4282890 | Open cell structure foamed cellulose acetate filters | Carl J. Howell, Jr., Jesse L. Riley | 1981-08-11 |