Assignee
Inventors
- Peter D. Orphanos (1 patents)
- Christian Bernhardt (6 patents)
- Bryan L. Madison (4 patents)
- Paul Seiden (34 patents)
- Albert M. Ehrman (6 patents)
- John R. Baginski (3 patents)
- Timothy B. Guffey (8 patents)
US Patent 4940601 · Granted Jul 10, 1990