Granted Patent
Utility
US 6,679,842 · App. 10/122,807
Tonometer calibration tool
Inventor:
David A. Luce
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Apr 15, 2002
Inventor
David A. Luce
Assignee (at issue)
REICHERT, 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.