Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669318 | Portable lock stitch sewing machine | Shi-chour Tsay | 1997-09-23 |
| D383578 | Combined electric broom and vacuum cleaner | — | 1997-09-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669318 | Portable lock stitch sewing machine | Shi-chour Tsay | 1997-09-23 |
| D383578 | Combined electric broom and vacuum cleaner | — | 1997-09-09 |