Granted Patent
Utility
US 6,622,662 · App. 10/167,827
Adapter for vaporizing devices
Inventors:
Christopher J. Wolpert, Scott Allen Richert, Phillip Bradley, Donald R. Richardson
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Jun 12, 2002
Inventors
Christopher J. Wolpert
Scott Allen Richert
Phillip Bradley
Donald R. Richardson
Assignee (at issue)
The Dial 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.