Assignee
Inventors
- Passchier Christiaan de Smidt (2 patents)
- Paul Hadvary (34 patents)
- Hans Lengsfeld (12 patents)
- Marcel Schmid (1 patents)
- Donald Small (6 patents)
- Hans Steffen (15 patents)
- Joseph Tardio (2 patents)
US Patent 6703369 · Granted Mar 9, 2004