Assignee
Inventors
- Burleigh M. Hutchins (26 patents)
- Raymond R. Dunlap (9 patents)
- Timothy J. Conklin (3 patents)
- Bruce A. Swanson (6 patents)
- John Petracca (3 patents)
- Louis Abhrahams (1 patents)
- Ronald A. Kimball (3 patents)
US Patent 5415489 · Granted May 16, 1995