Granted Patent
Utility
US 4,804,497 · App. 06/781,276
Fine fabric detergent composition
Inventors:
Allen D. Urfer, Gail M. Howell
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Sep 26, 1985
Inventors
Allen D. Urfer
Gail M. Howell
Assignee (at issue)
A.E. Staley Manufacturing 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.