Granted Patent
Utility
US 5,458,969 · App. 08/182,642
Amide-imide heat-resistant fiber
Inventors:
Howard B. Yokelson, Stefanos L. Sakellarides, Raymond T. Behrends
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Jan 14, 1994
Inventors
Howard B. Yokelson
Stefanos L. Sakellarides
Raymond T. Behrends
Assignee (at issue)
Amoco 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.