Granted Patent
Utility
US 6,541,084 · App. 09/775,800
Vacuum IG window unit with polymer spacers
Inventor:
Yei-Ping (Mimi) H. Wang
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Feb 5, 2001
Inventor
Yei-Ping (Mimi) H. Wang
Assignee (at issue)
Guardian Industries Corp.
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.