Granted Patent
Utility
US 5,695,857 · App. 08/078,223
Actively sterile surfaces
Inventors:
Robert Edward Burrell, Aron Rosenfeld, Timothy Smith
Patented Case
View Patent ↗
Granted: Dec 9, 1997
Filed: Aug 23, 1993
Inventors
Robert Edward Burrell
Aron Rosenfeld
Timothy Smith
Assignee (at issue)
Westaim Technologies
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.