Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6873029 | Self-aligned bipolar transistor | Gang He | 2005-03-29 |
| D280646 | Doorknob privacy sign | Mary W. Howard | 1985-09-17 |
| 4466570 | Multi-segment electrically insulated rail joint | — | 1984-08-21 |