Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8468771 | System and method for floor covering installation | Keith N. Gray, Connie D. Hensler, Chung-Hsien Zah, Horace Eddie Bradley, Jr. | 2013-06-25 |
| 8220221 | System and method for floor covering installation | Keith N. Gray, Connie D. Hensler, Chung-Hsien Zah, Horace Eddie Bradley, Jr. | 2012-07-17 |
| 7757457 | System and method for floor covering installation | Chung-Hsien Zah, Connie D. Hensler, Keith N. Gray, Horace Eddie Bradley, Jr. | 2010-07-20 |