Granted Patent
Utility
US 5,249,326 · App. 07/534,097
Apparatus and method for washing exterior building surfaces
Inventors:
James E. Jefferies, Jesse H. Jefferies, Brad A. Bucher
Patented Case
View Patent ↗
Granted: Oct 5, 1993
Filed: Jun 5, 1990
Inventors
James E. Jefferies
Jesse H. Jefferies
Brad A. Bucher
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.