Granted Patent
Utility
US 4,943,465 · App. 07/261,944
Thermal insulating, high temperature resistant composite
Inventors:
Douglas J. Bailey, Paul M. Boymel, Juan M. Cerdan
Patented Case
View Patent ↗
Granted: Jul 24, 1990
Filed: Oct 24, 1988
Inventors
Douglas J. Bailey
Paul M. Boymel
Juan M. Cerdan
Assignee (at issue)
Carborundum Corporation
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.