Assignee
Inventors
- David Marquardt (21 patents)
- Joe Koeth (6 patents)
- James J. Crawford (16 patents)
- James Ekberg (1 patents)
- Antoni F. Jakubiec (4 patents)
- Michael Smigel (4 patents)
- John F. Stumpf (15 patents)
US Patent 7354335 · Granted Apr 8, 2008