Granted Patent
Utility
US 4,908,258 · App. 07/226,619
High dielectric constant flexible sheet material
Inventor:
Jorge M. Hernandez
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Aug 1, 1988
Inventor
Jorge M. Hernandez
Assignee (at issue)
ROGERS 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.