Granted Patent
Utility
US 6,510,665 · App. 09/954,066
Locking system for mechanical joining of floorboards and method for production thereof
Inventor:
Darko Pervan
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Sep 18, 2001
Inventor
Darko Pervan
Assignee (at issue)
Valinge Aluminium AB
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.