Granted Patent
Utility
US 4,450,338 · App. 06/374,766
Method of fabricating a truss core sandwich panel
Inventor:
Charles E. Conn, Jr.
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: May 4, 1982
Inventor
Charles E. Conn, Jr.
Assignee (at issue)
TRE 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.