Granted Patent
Utility
US 5,828,405 · App. 08/745,361
Gemstone registration system
Inventors:
Dana J. Vanier, Hermann F. Wallner, Michael Leydon
Patented Case
View Patent ↗
Granted: Oct 27, 1998
Filed: Nov 8, 1996
Inventors
Dana J. Vanier
Hermann F. Wallner
Michael Leydon
Assignee (at issue)
Omphalos Recovery Systems 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.