Granted Patent
Utility
US 5,484,000 · App. 08/222,549
Vapor recovery and processing system and method
Inventor:
Detlev E. M. Hasselmann
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Apr 1, 1994
Inventor
Detlev E. M. Hasselmann
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.