Granted Patent
Utility
US 3,940,244 · App. 05/507,484
Ceramic fiber insulation module
Inventors:
Robert A. Sauder, Gary R. Kendrick, Dale Rich
Patented Case
View Patent ↗
Granted: Feb 24, 1976
Filed: Sep 19, 1974
Inventors
Robert A. Sauder
Gary R. Kendrick
Dale Rich
Assignee (at issue)
Sauder 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.