Granted Patent
Utility
US 4,356,537 · App. 06/178,472
Lighting fixture retainer hook
Inventors:
Leo G. Stahlhut, Willard R. Garnett, Lewis W. Kenyon
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Aug 15, 1980
Inventors
Leo G. Stahlhut
Willard R. Garnett
Lewis W. Kenyon
Assignee (at issue)
Emerson Electric Co.
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.