Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8869720 | Portable creels with insertable yarn trays and improved headers and yarn handling methods | William Oscar Ingram, III, William Nathan Jones | 2014-10-28 |
| 8468771 | System and method for floor covering installation | Keith N. Gray, Connie D. Hensler, Chung-Hsien Zah, Susan F. Fezer | 2013-06-25 |
| 8220221 | System and method for floor covering installation | Keith N. Gray, Connie D. Hensler, Chung-Hsien Zah, Susan F. Fezer | 2012-07-17 |
| 7757457 | System and method for floor covering installation | Chung-Hsien Zah, Connie D. Hensler, Keith N. Gray, Susan F. Fezer | 2010-07-20 |