Granted Patent
Utility
US 5,874,375 · App. 08/740,426
High temperature resistant glass fiber
Inventors:
Bruce K. Zoitos, Richard E. A. Atkinson, James R. Olson
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Oct 29, 1996
Inventors
Bruce K. Zoitos
Richard E. A. Atkinson
James R. Olson
Assignee (at issue)
Unifrax LLC
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.