Granted Patent
Utility
US 6,612,776 · App. 10/286,677
Manufacture of articulated, predominantly concrete mat
Inventor:
Jan Erik Jansson
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Nov 1, 2002
Inventor
Jan Erik Jansson
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.