Assignee
Inventors
- Duong van Phuoc (7 patents)
- Rudi Wieczorek (9 patents)
- Elmar Zeising (7 patents)
- Louis W. Hruska (16 patents)
- Matthew P. Hull (13 patents)
- Alwyn H. Taylor (17 patents)
- Daniel D. Friel, Sr. (84 patents)
US Patent 5633573 · Granted May 27, 1997