Granted Patent
Utility
US 6,319,683 · App. 08/824,708
Method and composition for controlling formaldehyde fixation by delayed quenching
Inventors:
William M. James, Stephen W. Hoag
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Apr 14, 1997
Inventors
William M. James
Stephen W. Hoag
Assignee (at issue)
Intergen Company
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.