Granted Patent
Utility
US 6,618,994 · App. 09/664,929
Sliding-rotating leaf system which can be locked
Inventor:
Bjoern Nussbaum
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Sep 19, 2000
Inventor
Bjoern Nussbaum
Assignee (at issue)
Solarlux Aluminium Systeme GmbH
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.