Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539585 | Previewer | Richard Chen | 1985-09-03 |
| 4411094 | Electronic roach trap | Richard Chen | 1983-10-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539585 | Previewer | Richard Chen | 1985-09-03 |
| 4411094 | Electronic roach trap | Richard Chen | 1983-10-25 |