Granted Patent
Utility
US 4,357,436 · App. 06/155,583
Composite insulating material and process
Inventors:
Jerry Zucker, Carl E. Chivers, Donald E. Jefferson
Patented Case
View Patent ↗
Granted: Nov 2, 1982
Filed: Jun 2, 1980
Inventors
Jerry Zucker
Carl E. Chivers
Donald E. Jefferson
Assignee (at issue)
RM Industrial Products Company, 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.