Granted Patent
Utility
US 4,272,971 · App. 06/016,454
Reinforced tubular structure
Inventors:
Morris S. Loyd, Timothy W. McGann
Patented Case
View Patent ↗
Granted: Jun 16, 1981
Filed: Feb 26, 1979
Inventors
Morris S. Loyd
Timothy W. McGann
Assignee (at issue)
Rockwell International 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.