Granted Patent
Utility
US 5,202,049 · App. 07/759,206
Sealer finish remover compositions
Inventor:
Mary E. Bingham
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Sep 11, 1991
Inventor
Mary E. Bingham
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.