Granted Patent
Utility
US 5,210,937 · App. 07/851,070
Method of forming a telephone line overvoltage protection device
Inventor:
Murray I. Delamoreaux
Patented Case
View Patent ↗
Granted: May 18, 1993
Filed: Mar 13, 1992
Inventor
Murray I. Delamoreaux
Assignee (at issue)
Oneac 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.