Assignee
Inventors
- Jozsef Barkoczy (34 patents)
- Gyula Simig (55 patents)
- Zoltan Greff (10 patents)
- Peter Kotay Nagy (4 patents)
- Unknown
- Ferenc Bartha (11 patents)
- Gyorgyi Vereczkeyne Donath (5 patents)
- Kalman Nagy (25 patents)
US Patent 7186848 · Granted Mar 6, 2007