Granted Patent
Utility
US 4,593,542 · App. 06/518,448
Deadbolt assembly having selectable backset distance
Inventors:
Anthony J. Rotondi, Richard O. Mullich, George F. Carabet
Patented Case
View Patent ↗
Granted: Jun 10, 1986
Filed: Jul 29, 1983
Inventors
Anthony J. Rotondi
Richard O. Mullich
George F. Carabet
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.