Granted Patent
Utility
US 4,566,973 · App. 06/638,158
Scale inhibition in water systems
Inventors:
William F. Masler, III, Zahid Amjad
Patented Case
View Patent ↗
Granted: Jan 28, 1986
Filed: Aug 6, 1984
Inventors
William F. Masler, III
Zahid Amjad
Assignee (at issue)
B. F. Goodrich 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.