Granted Patent
Utility
US 4,336,868 · App. 06/091,880
Composite fibrous tube energy absorber
Inventors:
Henry E. Wilson, James D. Cronkhite, John V. Howard
Patented Case
View Patent ↗
Granted: Jun 29, 1982
Filed: Nov 7, 1979
Inventors
Henry E. Wilson
James D. Cronkhite
John V. Howard
Assignee (at issue)
Textron 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.