Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9756958 | Encasement for preventing bed bug escapement via a zipper opening | James A. Bell, Ching-Yao Yeh | 2017-09-12 |
| 8528134 | Method of preventing bed bugs from escaping a mattress encasement via a zipper opening | James A. Bell, Ching-Yao Yeh | 2013-09-10 |
| 7552489 | Mattress encasement for preventing bed bug escapement via a zipper opening | James A. Bell, Ching-Yao Yeh | 2009-06-30 |