Granted Patent
Utility
US 6,232,578 · App. 09/533,600
Thermophoretic vacuum wand
Inventors:
Leonard E. Klebanoff, Daniel J. Rader
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Mar 23, 2000
Inventors
Leonard E. Klebanoff
Daniel J. Rader
Assignee (at issue)
BUV LLC
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.