Granted Patent
Utility
US 4,863,189 · App. 07/142,554
Unified floor frame assembly for modular mobile home
Inventor:
Fred Lindsay
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Jan 11, 1988
Inventor
Fred Lindsay
Assignee (at issue)
Lindsay 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.