Granted Patent
Utility
US 6,159,414 · App. 09/282,989
Large composite core structures formed by vacuum assisted resin transfer molding
Inventors:
George C. Tunis, III, Steven J. Winckler
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Mar 31, 1999
Inventors
George C. Tunis, III
Steven J. Winckler
Assignee (at issue)
TPI Composites, Inc.
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.