Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6588082 | Large volume twin shaft compulsory mixer | Roberto Salgarollo, Ronald M. Guntert, Jr. | 2003-07-08 |
| 6579037 | Dowel bar inserter kit having chain feeder | Ronald M. Guntert, Jr., Richard Wood Francis | 2003-06-17 |