| Image | SN | Mark | Status | Filing Date | Primary Class | Owners | Litigation Index | |
|---|---|---|---|---|---|---|---|---|
| 73393818 | API | Registered | Sep-29-1982 | 042 Computer, scientific and legal | AMERICAN PETROLEUM INSTITUTE | 1 | 0.08 | |
A | 72255181 | API | Registered | Sep-27-1966 | 100 | AMERICAN PETROLEUM INSTITUTE | 1 | 0.09 |
A | 72059158 | API | Registered | Sep-19-1958 | 038 Communication | AMERICAN PETROLEUM INSTITUTE | 1 | 0.09 |
| 72055204 | API | Registered | Jul-14-1958 | 038 Communication | AMERICAN PETROLEUM INSTITUTE | 1 | 0.09 | |
| 75258889 | API | Registered | Mar-13-1997 | B | AMERICAN PETROLEUM INSTITUTE | 1 | 0.07 |
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