Granted Patent
Utility
US 6,534,550 · App. 09/537,104
Foam control composition and method for controlling foam in aqueous systems
Inventor:
Gerald C. Walterick, Jr.
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Mar 29, 2000
Inventor
Gerald C. Walterick, Jr.
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.