Granted Patent
Utility
US 5,525,200 · App. 07/913,811
Low temperature vacuum distillation apparatus
Inventors:
Rene LaNois, Gerald Gajnos, Richard Dent
Patented Case
View Patent ↗
Granted: Jun 11, 1996
Filed: Jul 16, 1992
Inventors
Rene LaNois
Gerald Gajnos
Richard Dent
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.