Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047252 | Beverage infusion device and method | Richard T. Liu, Alva D. Oren, Dean F. Rushmore | 1991-09-10 |
| 4938979 | Green coffee treatment | David L. Belville, James E. Wimmers | 1990-07-03 |
DW
Donald L. Wetherilt
Overall (All Time): #2,318,807 of 4,157,543Top 60%
2
Patents All Time