Granted Patent
Utility
US 4,382,552 · App. 06/299,825
Liquid applicator
Inventors:
Timothy A. Lubsen, James D. Amerine
Patented Case
View Patent ↗
Granted: May 10, 1983
Filed: Sep 8, 1981
Inventors
Timothy A. Lubsen
James D. Amerine
Assignee (at issue)
The O. M. Scott and 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.