Granted Patent
Utility
US 6,443,516 · App. 09/733,470
Extendable and retractable support systems
Inventor:
Michael Lambright
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Dec 8, 2000
Inventor
Michael Lambright
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.