Granted Patent
Utility
US 4,752,374 · App. 07/040,408
Process for minimizing fouling of processing equipment
Inventor:
Dwight K. Reid
Patented Case
View Patent ↗
Granted: Jun 21, 1988
Filed: Apr 20, 1987
Inventor
Dwight K. Reid
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.