Granted Patent
Utility
US 6,206,174 · App. 09/284,903
Pressureless multi-lane dividing apparatus
Inventor:
Frank Koltz
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Jun 7, 1999
Inventor
Frank Koltz
Assignee (at issue)
VCS Control 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.