Granted Patent
Utility
US 5,633,928 · App. 08/402,176
Key escrow method with warrant bounds
Inventors:
Arjen K. Lenstra, Peter M. Winkler, Yacov Yacobi
Patented Case
View Patent ↗
Granted: May 27, 1997
Filed: Mar 10, 1995
Inventors
Arjen K. Lenstra
Peter M. Winkler
Yacov Yacobi
Assignee (at issue)
Bell Communications Research, Inc.
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.