Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857087 | Disk file employing dual filters | Richard GIBBONS, Gerald Dixon | 1989-08-15 |
IB
Ivor W. Bolton
Overall (1989): #101,927 of 140,708Top 75%
1
Patents 1989