Granted Patent
Utility
US 6,401,501 · App. 09/562,470
Lock construction
Inventors:
Peter Kajuch, Andrew Tischendorf
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: May 1, 2000
Inventors
Peter Kajuch
Andrew Tischendorf
Assignee (at issue)
Master Lock Company 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.