Granted Patent
Utility
US 5,946,880 · App. 08/969,117
Filament wound tubular column
Inventors:
William S. Morrison, III, Clint Ashton
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Nov 12, 1997
Inventors
William S. Morrison, III
Clint Ashton
Assignee (at issue)
William Morrison
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.