Granted Patent
Utility
US 4,245,592 · App. 06/041,368
Controlled flow purge system and apparatus
Inventor:
Walter J. Atkins, Sr.
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: May 22, 1979
Inventor
Walter J. Atkins, Sr.
Assignee (at issue)
Chrysler Group 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.