Assignee
Inventors
- Juergen Plapper (6 patents)
- Klaus Schumann (48 patents)
- Milan J. Schwuger (9 patents)
- Heinz Smolka (15 patents)
- Emanuel Arndt (5 patents)
- Emil Ruscheinsky (14 patents)
- Herman W. Jansen, Jr. (2 patents)
US Patent 4272242 · Granted Jun 9, 1981