Granted Patent
Utility
US 6,301,942 · App. 09/541,900
Accessories for a modular removable core cylinder assembly
Inventor:
Vladimir Shvarts
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Apr 3, 2000
Inventor
Vladimir Shvarts
Assignee (at issue)
Arrow Lock Manufacturing Company
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.