Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6990390 | Method and apparatus to detect change in work tool | Ronald O. Groth, Carl A. Kemner | 2006-01-24 |
| 6282477 | Method and apparatus for displaying an object at an earthworking site | Adam J. Gudat, James J. Kalafut, Robert J. Price | 2001-08-28 |
| 6037901 | System and method for communicating information for fleets of earthworking machines | Lonnie J. Devier, Satish M. Shetty, Adam J. Gudat | 2000-03-14 |
| 5410325 | Antenna mounting apparatus | Douglas W. Friedrich, Carl A. Kemner, Joel L. Peterson | 1995-04-25 |