Granted Patent
Utility
US 5,739,913 · App. 08/693,469
Non-contact edge detector
Inventor:
John David Wallace
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Aug 2, 1996
Inventor
John David Wallace
Assignee (at issue)
MRS Technology, 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.