Granted Patent
Utility
US 4,740,378 · App. 06/915,030
Control of atmosphere in for example fruit stores
Inventor:
John W. Jameson
Patented Case
View Patent ↗
Granted: Apr 26, 1988
Filed: Oct 3, 1986
Inventor
John W. Jameson
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT 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.