Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6370476 | Interpolation of survey coordinate differences | — | 2002-04-09 |
| 6092022 | Optimal survey map projection system | — | 2000-07-18 |
| 5986604 | Survey coordinate transformation optimization | Mark Nichols, Ian Timothy Viney, Arthur James Taylor, Richard L. Jackson, John F. Schipper | 1999-11-16 |
| 5978744 | Interpolation of survey coordinate differences | — | 1999-11-02 |
| 5774826 | Optimization of survey coordinate transformations | — | 1998-06-30 |
| 5614913 | Optimization of survey coordinate transformations | Mark Nichols, Ian Timothy Viney, Arthur James Taylor, Richard L. Jackson, John F. Schipper | 1997-03-25 |