Granted Patent
Utility
US 6,779,987 · App. 10/087,899
Pressure washer having oilless high pressure pump
Inventors:
Shane Dexter, Allen Palmer, Mark W. Wood, William B. Daniel
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Mar 1, 2002
Inventors
Shane Dexter
Allen Palmer
Mark W. Wood
William B. Daniel
Assignee (at issue)
DeVilbiss Air Power 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.