Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5147169 | Automated envelope handling system | Szee M. Yao | 1992-09-15 |
| 5052875 | Automated envelope handling system | Szee M. Yao | 1991-10-01 |
| 4681385 | Electrical connector system | Kurt J. Kruger | 1987-07-21 |
| 4382541 | Indicator flag for rural mail box | — | 1983-05-10 |
| 4373223 | Container opener | — | 1983-02-15 |
| 4329103 | Bucket loader attachment | — | 1982-05-11 |