Granted Patent
Utility
US 4,339,786 · App. 06/144,450
Anchoring means for an electrical device
Inventors:
William J. Evans, Dennis R. Henderson
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Apr 28, 1980
Inventors
William J. Evans
Dennis R. Henderson
Assignee (at issue)
Emhart Industries, Inc.
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.