Granted Patent
Utility
US 4,531,318 · App. 06/532,771
Display or indicating element with bent core
Inventors:
Kwangling Chang, Dalpat D. Mistry
Patented Case
View Patent ↗
Granted: Jul 30, 1985
Filed: Sep 16, 1983
Inventors
Kwangling Chang
Dalpat D. Mistry
Assignee (at issue)
NEI Canada Limited
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.