Assignee
Inventors
- Stephen L. Van Seters (8 patents)
- Ryan T. Ross (9 patents)
- Leonard Schwartz (34 patents)
- David C. Ready (7 patents)
- John A. Flanders (11 patents)
- Robert P. Ryan (91 patents)
- William D. Townsend (7 patents)
US Patent 5978378 · Granted Nov 2, 1999