Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5742170 | Semiconductor test socket and contacts | Donald C. Miller, Rodney Scott Ziegenhagen, II | 1998-04-21 |
| 5557212 | Semiconductor test socket and contacts | Donald C. Miller, Rodney Scott Ziegenhagen, II | 1996-09-17 |
| 5491891 | Method of making a test probe ring | — | 1996-02-20 |
| 5414371 | Semiconductor device test probe ring apparatus and method of manufacture | — | 1995-05-09 |
| 5303938 | Kelvin chuck apparatus and method of manufacture | Donald C. Miller | 1994-04-19 |