Granted Patent
Utility
US 5,771,442 · App. 08/556,001
Dual mode transmitter
Inventors:
Hefeng Wang, Tetsuo Onodera
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Nov 13, 1995
Inventors
Hefeng Wang
Tetsuo Onodera
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.