Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9689970 | Distance measurement methods and apparatus | — | 2017-06-27 |
| 9605955 | Distance measuring methods | Richard Day, Yuri P. Gusev | 2017-03-28 |
| 9091754 | Distance measurement methods and apparatus | — | 2015-07-28 |
| 8514376 | Distance measuring | Richard Day, Yuri P. Gusev | 2013-08-20 |
| 8149391 | Distance measuring instrument and method | Richard Day, Yuri P. Gusev | 2012-04-03 |
| 4873449 | Process and apparatus for three-dimensional surveying | Michel Paramythioti | 1989-10-10 |