Granted Patent
Utility
US 5,152,080 · App. 07/719,688
Steerable air bar/edge dam apparatus
Inventor:
Richard J. Wimberger
Patented Case
View Patent ↗
Granted: Oct 6, 1992
Filed: Jun 25, 1991
Inventor
Richard J. Wimberger
Assignee (at issue)
W.R. Grace & Co. Conn.
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.