Granted Patent
Utility
US 4,474,636 · App. 06/490,040
Fabrication of composite articles
Inventor:
Ben R. Bogner
Patented Case
View Patent ↗
Granted: Oct 2, 1984
Filed: Apr 29, 1983
Inventor
Ben R. Bogner
Assignee (at issue)
QO Chemicals, 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.