Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10543842 | System and method for generating vacuum via an engine | Ross Dykstra Pursifull, Ralph Wayne Cunningham | 2020-01-28 |
RF
Russ William Ferguson
Overall (2020): #292,619 of 565,922Top 55%
1
Patents 2020