Granted Patent
Utility
US 4,236,792 · App. 05/973,832
Electrochromic display and method for making same
Inventor:
Saadi J. Bissar
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: Dec 28, 1978
Inventor
Saadi J. Bissar
Assignee (at issue)
Timex Corporation
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.