Granted Patent
Utility
US 5,383,246 · App. 08/216,675
Semi-rigid sweeper cover
Inventor:
Holger Hagen
Patented Case
View Patent ↗
Granted: Jan 24, 1995
Filed: Mar 23, 1994
Inventor
Holger Hagen
Assignee (at issue)
Pleiger Plastics Corporation
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.