Granted Patent
Utility
US 4,556,982 · App. 06/508,379
Energy discriminating channel select logic
Inventor:
Robert H. Dunn
Patented Case
View Patent ↗
Granted: Dec 3, 1985
Filed: Jun 27, 1983
Inventor
Robert H. Dunn
Assignee (at issue)
Eaton 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.