Granted Patent
Utility
US 5,980,174 · App. 08/959,765
System for reinforcing a sandwich panel
Inventors:
Daniel John GALLAGHER, David H. Lafevers, David D. Breckenridge
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Oct 29, 1997
Inventors
Daniel John GALLAGHER
David H. Lafevers
David D. Breckenridge
Assignee (at issue)
The NORDAM Group LLC
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.