Granted Patent
Utility
US 6,072,886 · App. 09/033,200
Electroacoustic transducer comprising spring contacts formed with at least one bend
Inventors:
Ewald Frasl, Erich Klein, Ernst Ruberl
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Mar 2, 1998
Inventors
Ewald Frasl
Erich Klein
Ernst Ruberl
Assignee (at issue)
U.S. Philips Corporation
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.