Granted Patent
Utility
US 4,624,601 · App. 06/633,236
Transferable roadway lane divider
Inventor:
John P. Quittner
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Jul 23, 1984
Inventor
John P. Quittner
Assignee (at issue)
Quick-Steel Engineering Pty Limited
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.