Granted Patent
Utility
US 5,787,808 · App. 08/782,168
Hollow cylinder retention device
Inventors:
James K. Stram, Jan Lindstrom, Klaus-Peter Graf
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Jan 14, 1997
Inventors
James K. Stram
Jan Lindstrom
Klaus-Peter Graf
Assignee (at issue)
MAN Roland Druckmaschinen 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.