Assignee
Inventors
- William Sven Barquist, Jr. (4 patents)
- William Anderson (24 patents)
- George Allan Whittaker (2 patents)
- Thomas Rohrer (2 patents)
- John Jesse Soderberg (8 patents)
- John McGinnis (2 patents)
- Michael G. Abernathy (9 patents)
US Patent 6518923 · Granted Feb 11, 2003