Assignee
Inventors
- Egidius Arens (3 patents)
- Christoph Hampe (1 patents)
- Ingo Karlowsky (1 patents)
- Manfred Meyersieck (1 patents)
- Hans-Dieter Schwarz (7 patents)
- Norbert Anding (1 patents)
- Reinhard Leisterer (1 patents)
US Patent 4438438 · Granted Mar 20, 1984