Granted Patent
Utility
US 5,652,712 · App. 08/567,140
Method and apparatus for calibration of digital test equipment
Inventors:
Edward J. Szczebak, Jr., Chris A. Balthrop, Sr., Patricia K. Mutzabaugh
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Dec 4, 1995
Inventors
Edward J. Szczebak, Jr.
Chris A. Balthrop, Sr.
Patricia K. Mutzabaugh
Assignee (at issue)
Reltec 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.