Granted Patent
Utility
US 4,812,548 · App. 07/176,269
Liquid crystalline polymer
Inventors:
Toshihiro Sagane, Robert W. Lenz
Patented Case
View Patent ↗
Granted: Mar 14, 1989
Filed: Mar 31, 1988
Inventors
Toshihiro Sagane
Robert W. Lenz
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.