Granted Patent
Utility
US 5,336,414 · App. 08/032,069
Methods for inhibiting the deposition of proteinaceous materials on heat transfer surfaces
Inventor:
Nancy A. DiAngelo
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Mar 17, 1993
Inventor
Nancy A. DiAngelo
Assignee (at issue)
Betz Laboratories, 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.