Granted Patent
Utility
US 4,785,986 · App. 07/061,328
Paper web handling apparatus having improved air bar with dimensional optimization
Inventors:
Robert A. Daane, Roy E. Downham
Patented Case
View Patent ↗
Granted: Nov 22, 1988
Filed: Jun 11, 1987
Inventors
Robert A. Daane
Roy E. Downham
Assignee (at issue)
ADVANCED SYSTEMS, INC.
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.