Assignee
No assignee recorded.
Inventors
- Peter Donatsch (4 patents)
- Gunter Engel (8 patents)
- Bruno Hugi (4 patents)
- Brian P. Richardson (9 patents)
- Paul Stadler (13 patents)
- Unknown
- Unknown
- Unknown
- Unknown
US Patent 4910207 · Granted Mar 20, 1990
No assignee recorded.