Granted Patent
Utility
US 5,844,868 · App. 08/824,794
Digital-analog shared circuit in dual mode radio equipment
Inventors:
Chusei Takahashi, Tsutomu Katsuyama
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Mar 26, 1997
Inventors
Chusei Takahashi
Tsutomu Katsuyama
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.