Granted Patent
Utility
US 5,266,294 · App. 07/821,463
Continuous, ultrahigh modulus carbon fiber
Inventors:
David A. Schulz, Loren C. Nelson
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Jan 15, 1992
Inventors
David A. Schulz
Loren C. Nelson
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.