Granted Patent
Utility
US 4,487,751 · App. 06/504,704
Process for calcium hypochlorite
Inventors:
Craig A. Foster, John H. Shaffer
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Jun 15, 1983
Inventors
Craig A. Foster
John H. Shaffer
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.