Granted Patent
Utility
US 4,409,568 · App. 06/223,645
Temperature compensated time delay element for a differentially coherent digital receiver
Inventors:
William H. Childs, Peter Carlton
Patented Case
View Patent ↗
Granted: Oct 11, 1983
Filed: Jan 9, 1981
Inventors
William H. Childs
Peter Carlton
Assignee (at issue)
Communications Satellite 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.