| 9473626 |
Apparatus and methods for evaluating a quality of a locate operation for underground utility |
Steven Nielsen, Curtis Chambers, David Pennington |
2016-10-18 |
| 9317830 |
Methods and apparatus for analyzing locate and marking operations |
Steven Nielsen, Curtis Chambers, David Pennington |
2016-04-19 |
| 9311614 |
Methods, apparatus and systems for onsite linking to location-specific electronic records of locate operations |
Steven Nielsen, Curtis Chambers |
2016-04-12 |
| 9279900 |
Systems and methods for generating electronic records of locate and marking operations |
Steven Nielsen, Curtis Chambers |
2016-03-08 |
| 9256964 |
Electronically documenting locate operations for underground utilities |
Steven Nielsen, Curtis Chambers |
2016-02-09 |
| 9256849 |
Apparatus and methods for evaluating a quality of a locate operation for underground utility |
Steven Nielsen, Curtis Chambers, David Pennington |
2016-02-09 |
| 9235821 |
Methods, apparatus, and systems for providing an enhanced positive response for underground facility locate and marking operations based on an electronic manifest documenting physical locate marks on ground, pavement or other surface |
Steven Nielsen, Curtis Chambers |
2016-01-12 |