Assignee
Inventors
- Michael John Cullen (156 patents)
- Louis R. Christensen (3 patents)
- Peter John Grutter (26 patents)
- Michael A. Weyburne (5 patents)
- Joseph Norman Ulrey (288 patents)
- David George Farmer (24 patents)
US Patent 5479898 · Granted Jan 2, 1996