Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8911138 | Fluid dispensing system and method for concrete mixer | Robert E. Cook, Eric Koehler, Reynold Ramnarine, Mark F. Roberts | 2014-12-16 |
| 8818561 | Slump flow monitoring | Eric Koehler, Steve Verdino, Robert Culley, Joseph Sostaric | 2014-08-26 |