Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6236700 | Downcommer coupling apparatus and methods | John Geddes Erbes, David L. Rousar | 2001-05-22 |
MS
Michael R. Schrag
Overall (All Time): #3,582,882 of 4,157,543Top 90%
1
Patents All Time