Granted Patent
Utility
US 5,153,018 · App. 07/738,894
Chemical leavening system
Inventors:
M. Stephen Lajoie, Mary E. C. Thomas
Patented Case
View Patent ↗
Granted: Oct 6, 1992
Filed: Aug 1, 1991
Inventors
M. Stephen Lajoie
Mary E. C. Thomas
Assignee (at issue)
Church & Dwight Co., 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.