Granted Patent
Utility
US 5,649,995 · App. 08/401,367
Nitrogen generation control systems and methods for controlling oxygen content in containers for perishable goods
Inventor:
William A. Gast, JR.
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Mar 9, 1995
Inventor
William A. Gast, JR.
Assignee (at issue)
Nitec,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.