Granted Patent
Utility
US 5,215,258 · App. 07/819,097
Active shower head
Inventor:
Donald N. Jursich
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Jan 9, 1992
Inventor
Donald N. Jursich
Assignee (at issue)
Pollenex 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.