Granted Patent
Utility
US 5,431,984 · App. 07/625,479
Composite preforms with groves for fibers and groves for off-gassing
Inventors:
Steven D. Keck, Harlan L. Woods
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: Dec 11, 1990
Inventors
Steven D. Keck
Harlan L. Woods
Assignee (at issue)
AVCO 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.