Granted Patent
Utility
US 5,331,100 · App. 07/125,912
Self-building detergents
Inventors:
Harry Smith, Donald A. Tomalia
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Nov 27, 1987
Inventors
Harry Smith
Donald A. Tomalia
Assignee (at issue)
Dow Brands 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.