Assignee
No assignee recorded.
Inventors
- William Christian Tracy Nelson (12 patents)
- Daniel Marlowe Partridge (5 patents)
- Donald S. Berkowitz (13 patents)
- Witold Bik (7 patents)
- Ed Brasher (3 patents)
- Barry Tangney (4 patents)
US Patent 6018449 · Granted Jan 25, 2000
No assignee recorded.