Granted Patent
Utility
US 4,641,114 · App. 06/761,598
Thick film delay line comprising a plurality of stacked delay assemblies formed by a printing process
Inventor:
Herman R. Person
Patented Case
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Granted: Feb 3, 1987
Filed: Jul 31, 1985
Inventor
Herman R. Person
Assignee (at issue)
Dale Electrons, Inc.
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.