Granted Patent
Utility
US 5,607,627 · App. 08/551,028
Spin disk humidifier
Inventors:
James E. Berkeley, John A. McMillan
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Oct 31, 1995
Inventors
James E. Berkeley
John A. McMillan
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.