Granted Patent
Utility
US 5,004,549 · App. 07/419,237
Method for inhibiting scale formation using calcium hypochlorite compositions
Inventors:
Richard Bryan Wood, Richard M. Mullins, John A. Wojtowicz
Patented Case
View Patent ↗
Granted: Apr 2, 1991
Filed: Oct 10, 1989
Inventors
Richard Bryan Wood
Richard M. Mullins
John A. Wojtowicz
Assignee (at issue)
Olin Corporation
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.