Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9361741 | System and method for accessing a structure using a mobile device | William Benjamin Robertson | 2016-06-07 |
| 9129450 | System and method for accessing a structure using a mobile device | William Benjamin Robertson | 2015-09-08 |
| 8791790 | System and method for accessing a structure using a mobile device | William Benjamin Robertson | 2014-07-29 |