Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6973814 | Safety key and locking cylinder, and locking system with such safety keys and locking cylinders | — | 2005-12-13 |
| 6896929 | Susceptor shaft vacuum pumping | Sanjay Yadav, Quanyuan Shang, Wei-Line Chang | 2005-05-24 |