Granted Patent
Utility
US 5,355,439 · App. 07/740,285
Method and apparatus for automated tissue assay
Inventors:
Steven A. Bernstein, Page A. Erickson
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Aug 5, 1991
Inventors
Steven A. Bernstein
Page A. Erickson
Assignee (at issue)
BIOTEK INSTRUMENTS, 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.