Granted Patent
Utility
US 5,982,479 · App. 08/962,635
Method for calibrating a tilt inspection system and reference disk assembly for use therein
Inventors:
Mitchell G. Van Ochten, Matthew P. Frazer
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Nov 3, 1997
Inventors
Mitchell G. Van Ochten
Matthew P. Frazer
Assignee (at issue)
Medar, 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.