Granted Patent
Utility
US 5,991,402 · App. 08/935,955
Method and system of dynamic transformation of encrypted material
Inventors:
Zheng Jia, Ji Shen
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Sep 23, 1997
Inventors
Zheng Jia
Ji Shen
Assignee (at issue)
AegiSoft 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.