Granted Patent
Utility
US 6,067,889 · App. 09/116,415
Portable combat bunker
Inventor:
James C. Brown
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Jul 16, 1998
Inventor
James C. Brown
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.