Granted Patent
Utility
US 5,902,457 · App. 08/291,902
Spray generators
Inventors:
Lionel H. Ford, John William Stairmand
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Aug 18, 1994
Inventors
Lionel H. Ford
John William Stairmand
Assignee (at issue)
AEA Technology PLC
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.