Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9222784 | Building perpendicularity testing and adjustment | Richard M. Keene, Stephen Kent Garland, Milne T. Crouch, Daniel C. Maxwell | 2015-12-29 |
| 9170124 | Variable step tracking | Richard M. Keene, Stephen Kent Garland, Milne T. Crouch, Daniel C. Maxwell | 2015-10-27 |