Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8358198 | Portal system for a controlled space | Lawrence Edward Harper | 2013-01-22 |
| 8002180 | Portal system for a controlled space | Lawrence Edward Harper | 2011-08-23 |
| 7859417 | Object tracking in an enclosure | Lawrence Edward Harper | 2010-12-28 |
| 7753272 | Object tracking in an enclosure | Lawrence Edward Harper | 2010-07-13 |
| 7669765 | RFID switching | Lawrence Edward Harper | 2010-03-02 |
| 7337963 | Portal system for a controlled space | Lawrence Edward Harper | 2008-03-04 |