Granted Patent
Utility
US 6,287,657 · App. 09/190,191
All-plastic air feeder pipe
Inventor:
Osman S. Gebizlioglu
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Nov 12, 1998
Inventor
Osman S. Gebizlioglu
Assignee (at issue)
Telcordia Technologies, 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.