Assignee
No assignee recorded.
Inventors
- Frederick J. Karol (89 patents)
- George L. Goeke (16 patents)
- Burkhard E. Wagner (46 patents)
- William A. Fraser (13 patents)
- Robert J. Jorgensen (53 patents)
- Nils Friis (5 patents)
US Patent 4390677 · Granted Jun 28, 1983
No assignee recorded.