Granted Patent
Utility
US 6,049,159 · App. 08/944,261
Wideband acoustic transducer
Inventors:
Peter G. Barthe, Michael H. Slayton
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Oct 6, 1997
Inventors
Peter G. Barthe
Michael H. Slayton
Assignee (at issue)
Albatros Technologies, Inc.
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.