Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844663 | Feed line-ultrasonic activated gas injection | James A. Salter, Thomas S. Dewitz, Hendricus A. Dirkse | 1989-07-04 |
JM
Johannnes W. Van Der Meer
Overall (1989): #92,411 of 140,708Top 70%
1
Patents 1989