Granted Patent
Utility
US 4,682,129 · App. 06/803,369
Thick film planar filter connector having separate ground plane shield
Inventors:
Frank C. Bakermans, Charles J. Trexler
Patented Case
View Patent ↗
Granted: Jul 21, 1987
Filed: Dec 2, 1985
Inventors
Frank C. Bakermans
Charles J. Trexler
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.