Granted Patent
Utility
US 5,711,705 · App. 08/450,529
Isolation work station
Inventors:
Russell Edward Krainiak, Mark Huza
Patented Case
View Patent ↗
Granted: Jan 27, 1998
Filed: May 25, 1995
Inventors
Russell Edward Krainiak
Mark Huza
Assignee (at issue)
FLANDERS FILTERS, 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.