Granted Patent
Utility
US 5,364,138 · App. 08/060,102
Door latch assembly with backset adjustment
Inventors:
Hagen Dietrich, Graham Wheatland
Patented Case
View Patent ↗
Granted: Nov 15, 1994
Filed: May 10, 1993
Inventors
Hagen Dietrich
Graham Wheatland
Assignee (at issue)
Masco Corporation of Indiana
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.