Granted Patent
Utility
US 6,092,261 · App. 09/098,855
Storage system for vacuum pickup hose
Inventor:
Steven L. Boomgaarden
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Jun 17, 1998
Inventor
Steven L. Boomgaarden
Assignee (at issue)
TENNANT 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.