Granted Patent
Utility
US 4,792,252 · App. 06/832,658
Liquid applicator device
Inventors:
Leon V. Kremer, Ronald E. Kieras, Michael G. Knickerbocker
Patented Case
View Patent ↗
Granted: Dec 20, 1988
Filed: Feb 25, 1986
Inventors
Leon V. Kremer
Ronald E. Kieras
Michael G. Knickerbocker
Assignee (at issue)
Pittway Corporation
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.