Granted Patent
Utility
US 6,017,019 · App. 09/005,997
Modular composite railing
Inventor:
Ronald D. Erwin
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Jan 12, 1998
Inventor
Ronald D. Erwin
Assignee (at issue)
Erwin Industries, 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.