Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9183714 | Entrance security system | Douglas E. Piper, Mary Hester Owens, Clifford Leroy DeYoung, Sam S. Shasteen, Mark C. Phillips | 2015-11-10 |
| 8514076 | Entrance security system | Douglas E. Piper, Mary Hester Owens, Clifford Leroy DeYoung | 2013-08-20 |
| 7956316 | Fiber optic security system for sensing the intrusion of secured locations | Mark C. Phillips | 2011-06-07 |
| 7852213 | Double-end fiber optic security system for sensing intrusions | Randall E. Wooten, Mark C. Phillips, Mary Hester Owens, Sam S. Shasteen | 2010-12-14 |
| 7800047 | Apparatus and method for a computerized fiber optic security system | Mary Hester Owens | 2010-09-21 |
| 7782196 | Entrance security system | Douglas E. Piper, Mary Hester Owens, Clifford Leroy DeYoung, Sam S. Shasteen | 2010-08-24 |
| 7755027 | Secure transmission cable having windings continuously laid in opposite directions | Douglas E. Piper, Mary Hester Owens, Marko N. Veil | 2010-07-13 |
| 7402790 | Fiber optic security system for sensing the intrusion of secured locations | Mark C. Phillips, Randall E. Wooten | 2008-07-22 |