Granted Patent
Utility
US 4,157,921 · App. 05/877,584
Oven cleaning method and composition
Inventors:
Susan E. Baturay, Daniel S. Dzury, William Joseph Lueschen
Patented Case
View Patent ↗
Granted: Jun 12, 1979
Filed: Feb 13, 1978
Inventors
Susan E. Baturay
Daniel S. Dzury
William Joseph Lueschen
Assignee (at issue)
Amerimas Home Products, 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.