Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7976243 | Methods and apparatus for installing conduit underground | Joseph M. Rohde, Richard A. Rohde, Robert L. Gilling, James R. Heim, Michael Kenny | 2011-07-12 |
| 7909685 | Flexible service cart | James R. Heim, Robert L. Gilling | 2011-03-22 |