Granted Patent
Utility
US 6,523,313 · App. 09/800,416
Main beam connection
Inventors:
Yu Lin, William J. Platt
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Mar 6, 2001
Inventors
Yu Lin
William J. Platt
Assignee (at issue)
Worthington Armstrong Venture
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.