Granted Patent
Utility
US 6,553,939 · App. 10/071,323
Method of changing the cages of laboratory animals, and racks for use therewith
Inventors:
Daryl Austin, Edward Horeth, Gordon N. Leichter, James S. Vordonis
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Feb 8, 2002
Inventors
Daryl Austin
Edward Horeth
Gordon N. Leichter
James S. Vordonis
Assignee (at issue)
Getinge/Castle, 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.