Assignee
Inventors
- Armin Rahn (10 patents)
- William H. Down (5 patents)
- Marcel Drouin (4 patents)
- Matthew J. Rudzicz (2 patents)
- John F. Buszard (2 patents)
- Elie Makhoul (4 patents)
- Ralph W. Woodgate (3 patents)
US Patent 4632291 · Granted Dec 30, 1986