Granted Patent
Utility
US 5,700,430 · App. 08/506,555
Device for dispensing a volatile substance
Inventors:
James Bonnema, Wen Der Wang, Scott W. Demarest, Paul E. Furner, Donald W. Hildebrandt
Patented Case
View Patent ↗
Granted: Dec 23, 1997
Filed: Jul 25, 1995
Inventors
James Bonnema
Wen Der Wang
Scott W. Demarest
Paul E. Furner
Donald W. Hildebrandt
Assignee (at issue)
The Schawbel 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.