Granted Patent
Utility
US 6,444,281 · App. 09/576,904
Vacuum IG window unit with spacers between first and second edge seals
Inventors:
Yei-Ping (Mimi) H. Wang, Scott V. Thomsen
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: May 23, 2000
Inventors
Yei-Ping (Mimi) H. Wang
Scott V. Thomsen
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.