Assignee
Inventors
- Mark R. Christianson (141 patents)
- Scott A. Olson (25 patents)
- Edward Anderson (37 patents)
- Philip J. Haarstad (54 patents)
- Douglas J. Krone (9 patents)
- Unknown
- David J. Blaeser (83 patents)
US Patent 8372112 · Granted Feb 12, 2013