Granted Patent
Utility
US 6,744,549 · App. 10/102,535
Electrochromic display device
Inventors:
John B. Vincent, Derrick W. Flick
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Mar 19, 2002
Inventors
John B. Vincent
Derrick W. Flick
Assignee (at issue)
Dow Global Technologies LLC
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.