Granted Patent
Utility
US 5,311,199 · App. 07/783,290
Honeycomb cross-polarized load
Inventors:
John Fraschilla, David A. Whelan
Patented Case
View Patent ↗
Granted: May 10, 1994
Filed: Oct 28, 1991
Inventors
John Fraschilla
David A. Whelan
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.