Assignee
Inventors
- Michael Valdman (5 patents)
- Semyon Litvin (1 patents)
- Igor Gridnev (1 patents)
- Vladimir M. Gerasimov (3 patents)
- Alexey N. Zakharov (3 patents)
- Alexander L. Ljubomirsky (4 patents)
- Ilona Vasilevskaja (1 patents)
US Patent 5472139 · Granted Dec 5, 1995