Granted Patent
Utility
US 6,148,768 · App. 09/179,645
Pet litter for disposal of animal wastes and process for producing the same
Inventors:
Kengo Ochi, Hiroshi Tsuboi
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Oct 27, 1998
Inventors
Kengo Ochi
Hiroshi Tsuboi
Assignee (at issue)
Uni-Heartous 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.