Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493451 | Communication helmet | Alexander Paritsky, Alexander Kots, Kazuo Takahashi | 2002-12-10 |
| 6459798 | Sound-collecting device | Alexander Paritsky, Alexander Kots, Nobuhiro Miyahara | 2002-10-01 |