Granted Patent
Utility
US 4,564,229 · App. 06/485,180
Latch assembly having selectable backset distance
Inventors:
Richard O. Mullich, Anthony J. Rotondi
Patented Case
View Patent ↗
Granted: Jan 14, 1986
Filed: Apr 18, 1983
Inventors
Richard O. Mullich
Anthony J. Rotondi
Assignee (at issue)
TRE Corporation
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.