Granted Patent
Utility
US 4,483,116 · App. 06/194,082
Ceiling system with ceiling conversion strip
Inventor:
J. Lynn Gailey
Patented Case
View Patent ↗
Granted: Nov 20, 1984
Filed: Oct 6, 1980
Inventor
J. Lynn Gailey
Assignee (at issue)
Alcan Aluminum 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.