Granted Patent
Utility
US 6,520,196 · App. 10/086,077
Erectable shelter with collapsible central roof support
Inventor:
Mark C. Carter
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Feb 28, 2002
Inventor
Mark C. Carter
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.