Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5944180 | Self-ejecting compact disc case | Lawrence R. Koh, David John Feuerborn | 1999-08-31 |
| 5713872 | Flexing safety shield for hypodermic needles | David John Feuerborn | 1998-02-03 |
| 5695053 | Self-ejecting compact disc case | Lawrence R. Koh, David John Feuerborn | 1997-12-09 |