Granted Patent
Utility
US 6,554,257 · App. 09/595,794
Safety rail system
Inventor:
Gregory S. Kenton
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Jun 16, 2000
Inventor
Gregory S. Kenton
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.