Granted Patent
Utility
US 5,158,382 · App. 07/818,578
Integral locking device for a typewriter
Inventors:
Robert J. Baron, Donald G. Anderson, Jr.
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Jan 9, 1992
Inventors
Robert J. Baron
Donald G. Anderson, Jr.
Assignee (at issue)
Smith Corona Corp.
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.