Granted Patent
Utility
US 4,236,249 · App. 05/969,729
Circuit arrangement for correcting frequency errors during a transmission of data
Inventor:
Erich Burger
Patented Case
View Patent ↗
Granted: Nov 25, 1980
Filed: Dec 15, 1978
Inventor
Erich Burger
Assignee (at issue)
Siemens Aktiengesellschaft
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.