Granted Patent
Utility
US 6,535,460 · App. 09/935,754
Miniature broadband acoustic transducer
Inventors:
Peter V. Loeppert, Michael E. Pederson
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Aug 23, 2001
Inventors
Peter V. Loeppert
Michael E. Pederson
Assignee (at issue)
Knowles Electronics, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.