Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9371739 | Power producing device with control mechanism | Brendan H. Robinson, John H. Steele | 2016-06-21 |
JY
John K Yook
Overall (All Time): #3,005,830 of 4,157,543Top 75%
1
Patents All Time