Assignee
Inventors
- Siegfried Raddatz (42 patents)
- Klaus-Helmut Mohrs (39 patents)
- Michael Matzke (32 patents)
- Romanis Fruchtmann (24 patents)
- Armin Hatzelmann (9 patents)
- Reiner Muller-Peddinghaus (22 patents)
US Patent 5310744 · Granted May 10, 1994