Granted Patent
Utility
US 4,273,601 · App. 05/847,041
Method for the production of elongated resin impregnated filament composite structures
Inventor:
Oscar Weingart
Patented Case
View Patent ↗
Granted: Jun 16, 1981
Filed: Oct 31, 1977
Inventor
Oscar Weingart
Assignee (at issue)
Structural Composite Industries, Inc.
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.