Granted Patent
Utility
US 6,083,894 · App. 09/272,133
Liquid automatic dishwashing composition with glassware protection
Inventors:
George B. Keyes, Charles E. Seaman, Jr., Jon K. Kassen
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Mar 19, 1999
Inventors
George B. Keyes
Charles E. Seaman, Jr.
Jon K. Kassen
Assignee (at issue)
S. C. Johnson Commercial Markets, 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.