Assignee
Inventors
- Leonid F. Zhukov (4 patents)
- Evgeny G. Chugunny (4 patents)
- Vladimir S. Shumikhin (5 patents)
- Sergei V. Kucherenko (1 patents)
- Mechislav V. Zhelnis (3 patents)
- Pranas V. Zemlyavichus (2 patents)
US Patent 4480820 · Granted Nov 6, 1984