Granted Patent
Utility
US 6,694,697 · App. 09/974,607
Grating with crimped intersections
Inventor:
John D. Shepherd
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Oct 9, 2001
Inventor
John D. Shepherd
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.