Granted Patent
Utility
US 4,568,593 · App. 06/677,832
Composite corrugated panel with transverse fibers
Inventor:
Andrew Green
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Dec 3, 1984
Inventor
Andrew Green
Assignee (at issue)
Composite Tech Holdings Limited
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.