Granted Patent
Utility
US 4,728,554 · App. 06/859,291
Fiber structure and method for obtaining tuned response to high frequency electromagnetic radiation
Inventors:
Harris A. Goldberg, Y. M. Faruq Marikar
Patented Case
View Patent ↗
Granted: Mar 1, 1988
Filed: May 5, 1986
Inventors
Harris A. Goldberg
Y. M. Faruq Marikar
Assignee (at issue)
Hoechst Celanese 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.