Granted Patent
Utility
US 5,593,339 · App. 08/370,641
Slurry cleaning process
Inventors:
Benny S. Yam, Robert C. Jorgensen, William E. Spears, Jr.
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Jan 10, 1995
Inventors
Benny S. Yam
Robert C. Jorgensen
William E. Spears, Jr.
Assignee (at issue)
Church & Dwight Co., Inc.
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.