Granted Patent
Utility
US 6,075,870 · App. 08/980,835
Electroacoustic transducer with improved shock resistance
Inventors:
Onno Geschiere, Hendrik Dolleman, Huib Groot Obbink, Aart Zeger van Halteren
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Dec 1, 1997
Inventors
Onno Geschiere
Hendrik Dolleman
Huib Groot Obbink
Aart Zeger van Halteren
Assignee (at issue)
Microtronic B.V.
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.