Granted Patent
Utility
US 5,587,925 · App. 08/336,188
File testing techniques
Inventor:
Cheng Li
Patented Case
View Patent ↗
Granted: Dec 24, 1996
Filed: Nov 8, 1994
Inventor
Cheng Li
Assignee (at issue)
Simonds Industries, 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.