Assignee
Inventors
- James Robert Langmeier (3 patents)
- Mohamed N. H. Chehab (1 patents)
- Robert De Caluwe (4 patents)
- Willy A. M. Hertogs (2 patents)
- Jean B. A. Van den Broeck (1 patents)
- Miriam H. J. M. van Loon (1 patents)
US Patent 4807787 · Granted Feb 28, 1989