Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8611926 | Method and a system for communicating information to a land surveying rover located in an area without cellular coverage | Jeffrey A. Hamilton | 2013-12-17 |
| 8497800 | Method and a system for communicating information to a land surveying rover located in an area without cellular coverage | Jeffery Allen Hamilton | 2013-07-30 |
| 7613468 | Method and a system for communicating information to a land surveying rover located in an area without cellular coverage | Jeffery Allen Hamilton | 2009-11-03 |
| 7480511 | Method and system for delivering virtual reference station data | — | 2009-01-20 |
| 6934629 | Method and apparatus for precise positioning of large structures | Gary Sedman Chisholm, Michael Anthony Hansby, Alan Monnox | 2005-08-23 |
| 5883817 | Method and apparatus for precise positioning of large structures | Gary Sedman Chisholm, Michael Anthony Hansby, Alan Monnox | 1999-03-16 |
| 5610818 | Remote operated computer assisted precise pile driving and rig drilling system | Neil Ackroyd, Gary Sedman Chisholm, Robert G. Culling, Steve Smith | 1997-03-11 |