Assignee
Inventors
- Michael J. C. Marsh (20 patents)
- Andrzej Lenarcik (5 patents)
- Clinton Aiden Van Zyl (4 patents)
- Andries Christoffel Van Schalkwyk (2 patents)
- Marthinus Jacobus Rudolph Oosthuizen (2 patents)
US Patent 5726630 · Granted Mar 10, 1998