Granted Patent
Utility
US 4,698,752 · App. 06/858,085
Data base locking
Inventors:
Alan J. Goldstein, Terry R. Nusser
Patented Case
View Patent ↗
Granted: Oct 6, 1987
Filed: Apr 29, 1986
Inventors
Alan J. Goldstein
Terry R. Nusser
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Bell Laboratories
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.