Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386639 | Oil drainage apparatus | Derek J. Gable, Roger H. Sweet | 1983-06-07 |
| 4182076 | Animated doll | Derek J. Gay, Roger H. Sweet, Saint Elmo B. Berford | 1980-01-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386639 | Oil drainage apparatus | Derek J. Gable, Roger H. Sweet | 1983-06-07 |
| 4182076 | Animated doll | Derek J. Gay, Roger H. Sweet, Saint Elmo B. Berford | 1980-01-08 |