Granted Patent
Utility
US 5,712,638 · App. 08/451,855
Multiple transmission channel group transmitter
Inventor:
Darrell E. Issa
Patented Case
View Patent ↗
Granted: Jan 27, 1998
Filed: May 26, 1995
Inventor
Darrell E. Issa
Assignee (at issue)
DETECTOR ELECTRONICS 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.