Assignee
Inventors
- Peter Armstrong Thompson (10 patents)
- Jeffrey A. Ledbetter (83 patents)
- Martha Hayden-Ledbetter (33 patents)
- Laura Sue Grosmaire (3 patents)
- Robert F. Bader (6 patents)
- William Brady (26 patents)
US Patent 8409577 · Granted Apr 2, 2013