Granted Patent
Utility
US 5,948,359 · App. 08/820,883
Automated staining apparatus
Inventors:
Krishan L. Kalra, Jason Zhen Zhang, Zhi-Weng Chang, Jianghong Shui
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Mar 21, 1997
Inventors
Krishan L. Kalra
Jason Zhen Zhang
Zhi-Weng Chang
Jianghong Shui
Assignee (at issue)
BioGenex Laboratories, 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.