Granted Patent
Utility
US 4,910,384 · App. 07/235,402
Position independent humidifier apparatus
Inventor:
Brian H. Silver
Patented Case
View Patent ↗
Granted: Mar 20, 1990
Filed: Aug 23, 1988
Inventor
Brian H. Silver
Assignee (at issue)
The Kendall Company LP
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.