Granted Patent
Utility
US 5,904,972 · App. 08/900,687
Large composite core structures formed by vacuum assisted resin transfer molding
Inventors:
George C. Tunis, III, Steven J. Winckler
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Jul 25, 1997
Inventors
George C. Tunis, III
Steven J. Winckler
Assignee (at issue)
TPI Technology, 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.