Granted Patent
Utility
US 4,492,835 · App. 06/396,457
Load interrupter device
Inventor:
John L. Turner
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: Jul 8, 1982
Inventor
John L. Turner
Assignee (at issue)
Turner Electric 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.