Granted Patent
Utility
US 6,649,837 · App. 10/357,942
Swivel fixture hanger assembly for high bay fixtures
Inventor:
Barton L. Garvin
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Feb 4, 2003
Inventor
Barton L. Garvin
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.