Granted Patent
Utility
US 5,452,684 · App. 08/248,304
Method of agglomerating a smectite clay litter
Inventors:
Carol Elazier-Davis, Gary W. Beall, John Hughes
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: May 24, 1994
Inventors
Carol Elazier-Davis
Gary W. Beall
John Hughes
Assignee (at issue)
American Colloid 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.