Granted Patent
Utility
US 4,686,337 · App. 06/761,452
Circuit interrupter having a chemical operator with double-acting drive means
Inventors:
Ronald W. Crookston, Ivan T. Burney
Patented Case
View Patent ↗
Granted: Aug 11, 1987
Filed: Aug 1, 1985
Inventors
Ronald W. Crookston
Ivan T. Burney
Assignee (at issue)
Westinghouse Electric Company LLC
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.