Granted Patent
Utility
US 4,525,847 · App. 06/440,500
QAM encoder
Inventor:
Gordon Bremer
Patented Case
View Patent ↗
Granted: Jun 25, 1985
Filed: Nov 10, 1982
Inventor
Gordon Bremer
Assignee (at issue)
PARADYNE 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.