Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643875 | Inflatable mattress topper | Michael Kehrmann, Chen Ching-Chin | 2003-11-11 |
| D475566 | Inflatable mattress pad | Chen Ching-Chin, Michael Kehrmann | 2003-06-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643875 | Inflatable mattress topper | Michael Kehrmann, Chen Ching-Chin | 2003-11-11 |
| D475566 | Inflatable mattress pad | Chen Ching-Chin, Michael Kehrmann | 2003-06-10 |