Assignee
Inventors
- John Howard Hutchinson (112 patents)
- Yves Girard (46 patents)
- Rejean Fortin (36 patents)
- Dwight MacDonald (20 patents)
- John Scheigetz (14 patents)
- Daniel Delorme (38 patents)
- Michel Therien (38 patents)
- Pierre Hamel (27 patents)
US Patent 5202321 · Granted Apr 13, 1993