Granted Patent
Utility
US 4,833,029 · App. 06/943,470
Honeycomb facesheet material and honeycomb made therewith
Inventors:
Preston S. DuPont, Robert E. Ritter, Brian A. McGrath, Brent G. Schaffer, Kenneth A. Fouts, III
Patented Case
View Patent ↗
Granted: May 23, 1989
Filed: Dec 19, 1986
Inventors
Preston S. DuPont
Robert E. Ritter
Brian A. McGrath
Brent G. Schaffer
Kenneth A. Fouts, III
Assignee (at issue)
Hughes Aircraft Company
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.