Granted Patent
Utility
US 6,790,277 · App. 10/262,235
Lightweight joint treatment formulation
Inventor:
Amba Ayambem
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Oct 1, 2002
Inventor
Amba Ayambem
Assignee (at issue)
National Gypsum Properties, LLC
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.