Granted Patent
Utility
US 5,124,935 · App. 07/620,477
Gemstone identification, tracking and recovery system
Inventors:
Hermann F. Wallner, Dana J. Vanier
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Nov 30, 1990
Inventors
Hermann F. Wallner
Dana J. Vanier
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.