Granted Patent
Utility
US 5,830,281 · App. 08/734,389
Method for controlling and containing a liquid on a hard surface
Inventors:
Phillip A. Kliewer, Jeffrey J. Smith
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: Oct 17, 1996
Inventors
Phillip A. Kliewer
Jeffrey J. Smith
Assignee (at issue)
R.R. DONNELLEY & SONS COMPANY
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.