Granted Patent
Utility
US 6,033,212 · App. 09/236,803
Lamp for dispensing volatile substances
Inventors:
James Bonnema, Timothy Huber, Steven Shapiro, Wen Der Wang, Karl Winkler
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Jan 25, 1999
Inventors
James Bonnema
Timothy Huber
Steven Shapiro
Wen Der Wang
Karl Winkler
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.