Granted Patent
Utility
US 4,380,333 · App. 06/239,714
Sheet material guiding means
Inventor:
George F. A. M. Turner
Patented Case
View Patent ↗
Granted: Apr 19, 1983
Filed: Mar 2, 1981
Inventor
George F. A. M. Turner
Assignee (at issue)
Ciba-Geigy
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.