Granted Patent
Utility
US 5,896,829 · App. 08/947,315
Head-only animal exposure chambers
Inventors:
Simon J. Rothenberg, George Dearlove, John L. Barnett, Daniel Dewees, William Ehrhart
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Oct 8, 1997
Inventors
Simon J. Rothenberg
George Dearlove
John L. Barnett
Daniel Dewees
William Ehrhart
Assignee (at issue)
Genzyme Transegenic Corporation
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.