Assignee
Inventors
- Daniel Combs (3 patents)
- Sylvia Martin (22 patents)
- Robert A. Tremmel (14 patents)
- Kenneth D. Snell (3 patents)
- Masaaki Kamitani (5 patents)
- Ryoichi Kimizuka (13 patents)
- Takaaki Koga (1 patents)
US Patent 4699696 · Granted Oct 13, 1987