Granted Patent
Utility
US 5,215,543 · App. 07/594,763
Method for bleaching and abrading fabrics
Inventors:
David J. Milora, David M. Shank, Peter A. Curato
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Oct 9, 1990
Inventors
David J. Milora
David M. Shank
Peter A. Curato
Assignee (at issue)
Elf Atochem North America, 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.