Granted Patent
Utility
US 4,772,360 · App. 07/016,555
Thin wall coke quenching container
Inventors:
Reinhold Beckmann, Gerhard Friebe, Klaus Genter, Guenter Hof, Gerhard Winzer
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Feb 19, 1987
Inventors
Reinhold Beckmann
Gerhard Friebe
Klaus Genter
Guenter Hof
Gerhard Winzer
Assignee (at issue)
Mannesmann AG
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.