Granted Patent
Utility
US 4,337,666 · App. 06/164,465
Method and apparatus for measuring the expansion of a mat of fibrous material
Inventors:
Rabindra K. Bhattacharyya, James S. Belt
Patented Case
View Patent ↗
Granted: Jul 6, 1982
Filed: Jun 30, 1980
Inventors
Rabindra K. Bhattacharyya
James S. Belt
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.