Assignee
Inventors
- Robert David Allen (115 patents)
- Richard A. Day (20 patents)
- Donald Herman Glatzel (18 patents)
- William D. Hinsberg (10 patents)
- John R. Mertz (5 patents)
- David J. Russell (87 patents)
- Gregory Michael Wallraff (59 patents)
US Patent 5747223 · Granted May 5, 1998